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123220232033 = 4117891679917
BaseRepresentation
bin111001011000001111…
…1111000011101100001
3102210001102121100101112
41302300133320131201
54004323334411113
6132335005113105
711621340455663
oct1626037703541
9383042540345
10123220232033
1148291677108
121ba6a258795
13b8093bab02
145d6ccba533
153312a4d5a8
hex1cb07f8761

123220232033 has 8 divisors (see below), whose sum is σ = 126296235240. Its totient is φ = 120147592320.

The previous prime is 123220231991. The next prime is 123220232041. The reversal of 123220232033 is 330232022321.

It can be written as a sum of positive squares in 4 ways, for example, as 14720483584 + 108499748449 = 121328^2 + 329393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123220232033 - 222 = 123216037729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123220232063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766610 + ... + 913307.

It is an arithmetic number, because the mean of its divisors is an integer number (15787029405).

Almost surely, 2123220232033 is an apocalyptic number.

It is an amenable number.

123220232033 is a deficient number, since it is larger than the sum of its proper divisors (3076003207).

123220232033 is a wasteful number, since it uses less digits than its factorization.

123220232033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681747.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 123220232033 its reverse (330232022321), we get a palindrome (453452254354).

The spelling of 123220232033 in words is "one hundred twenty-three billion, two hundred twenty million, two hundred thirty-two thousand, thirty-three".

Divisors: 1 41 1789 73349 1679917 68876597 3005371513 123220232033