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123233032121 = 197982100621
BaseRepresentation
bin111001011000101000…
…0101101011110111001
3102210002022200122210212
41302301100231132321
54004340124011441
6132340143320505
711621554330013
oct1626120553671
9383068618725
10123233032121
1148298919aa1
121ba725b0135
13b80bc50024
145d7088d1b3
153313c2aeeb
hex1cb142d7b9

123233032121 has 8 divisors (see below), whose sum is σ = 131360995200. Its totient is φ = 115269270480.

The previous prime is 123233032063. The next prime is 123233032127. The reversal of 123233032121 is 121230332321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123233032121 is a prime.

It is a super-3 number, since 3×1232330321213 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123233032127) 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, 41048810 + ... + 41051811.

It is an arithmetic number, because the mean of its divisors is an integer number (16420124400).

Almost surely, 2123233032121 is an apocalyptic number.

It is an amenable number.

123233032121 is a deficient number, since it is larger than the sum of its proper divisors (8127963079).

123233032121 is an equidigital number, since it uses as much as digits as its factorization.

123233032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82100719.

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

Adding to 123233032121 its reverse (121230332321), we get a palindrome (244463364442).

The spelling of 123233032121 in words is "one hundred twenty-three billion, two hundred thirty-three million, thirty-two thousand, one hundred twenty-one".

Divisors: 1 19 79 1501 82100621 1559911799 6485949059 123233032121