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1233201213023 = 137911361917167
BaseRepresentation
bin10001111100100000100…
…001010010111001011111
311100220002220122111001212
4101330200201102321133
5130201044002304043
62342305205455035
7155044606233323
oct21744041227137
94326086574055
101233201213023
11435aa7a3191a
1217b00471147b
138c3a0c547a0
1443989b95983
15221298a2018
hex11f20852e5f

1233201213023 has 32 divisors (see below), whose sum is σ = 1359046348800. Its totient is φ = 1112119497216.

The previous prime is 1233201212987. The next prime is 1233201213029. The reversal of 1233201213023 is 3203121023321.

It is not a de Polignac number, because 1233201213023 - 28 = 1233201212767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233201213023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233201213029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71826986 + ... + 71844152.

It is an arithmetic number, because the mean of its divisors is an integer number (42470198400).

Almost surely, 21233201213023 is an apocalyptic number.

1233201213023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1233201213023 is a deficient number, since it is larger than the sum of its proper divisors (125845135777).

1233201213023 is a wasteful number, since it uses less digits than its factorization.

1233201213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17991.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1233201213023 its reverse (3203121023321), we get a palindrome (4436322236344).

The spelling of 1233201213023 in words is "one trillion, two hundred thirty-three billion, two hundred one million, two hundred thirteen thousand, twenty-three".

Divisors: 1 13 79 113 619 1027 1469 8047 8927 17167 48901 69947 116051 223171 635713 909311 1356193 1939871 5525813 10626373 17630509 25218323 71835569 138142849 153249809 839483467 1200780149 1992247517 10913285071 15610141937 94861631771 1233201213023