123231313023 has 48 divisors (see below), whose sum is σ = 203451494400. Its totient is φ = 64964495232.

The previous prime is 123231313003. The next prime is 123231313031. The reversal of 123231313023 is 320313132321.

It is not a de Polignac number, because 123231313023 - 2³⁰ = 122157571199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123231312984 and 123231313002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231313003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6993378 + ... + 7010976.

It is an arithmetic number, because the mean of its divisors is an integer number (4238572800).

Almost surely, 2^123231313023 is an apocalyptic number.

123231313023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123231313023 is a deficient number, since it is larger than the sum of its proper divisors (80220181377).

123231313023 is a wasteful number, since it uses less digits than its factorization.

123231313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19608 (or 19595 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123231313023 its reverse (320313132321), we get a palindrome (443544445344).

The spelling of 123231313023 in words is "one hundred twenty-three billion, two hundred thirty-one million, three hundred thirteen thousand, twenty-three".