123242345231 has 8 divisors (see below), whose sum is σ = 125411274240. Its totient is φ = 121076085528.

The previous prime is 123242345227. The next prime is 123242345249. The reversal of 123242345231 is 132543242321.

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 123242345231 - 2² = 123242345227 is a prime.

It is a super-2 number, since 2×123242345231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123247345231) 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, 574061 + ... + 758966.

It is an arithmetic number, because the mean of its divisors is an integer number (15676409280).

Almost surely, 2^123242345231 is an apocalyptic number.

123242345231 is a deficient number, since it is larger than the sum of its proper divisors (2168929009).

123242345231 is a wasteful number, since it uses less digits than its factorization.

123242345231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334653.

The product of its digits is 34560, while the sum is 32.

Adding to 123242345231 its reverse (132543242321), we get a palindrome (255785587552).

The spelling of 123242345231 in words is "one hundred twenty-three billion, two hundred forty-two million, three hundred forty-five thousand, two hundred thirty-one".