12312123033023 has 4 divisors (see below), whose sum is σ = 13431406945128. Its totient is φ = 11192839120920.

The previous prime is 12312123032987. The next prime is 12312123033031. The reversal of 12312123033023 is 32033032121321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12312123033023 - 2⁶ = 12312123032959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312123032983 and 12312123033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312123033073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559641956036 + ... + 559641956057.

It is an arithmetic number, because the mean of its divisors is an integer number (3357851736282).

Almost surely, 2^{12312123033023} is an apocalyptic number.

12312123033023 is a deficient number, since it is larger than the sum of its proper divisors (1119283912105).

12312123033023 is a wasteful number, since it uses less digits than its factorization.

12312123033023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119283912104.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12312123033023 its reverse (32033032121321), we get a palindrome (44345155154344).

The spelling of 12312123033023 in words is "twelve trillion, three hundred twelve billion, one hundred twenty-three million, thirty-three thousand, twenty-three".