23311320001023 has 16 divisors (see below), whose sum is σ = 31545937848960. Its totient is φ = 15308795062176.

The previous prime is 23311320001009. The next prime is 23311320001031. The reversal of 23311320001023 is 32010002311332.

It is not a de Polignac number, because 23311320001023 - 2⁸ = 23311320000767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311320001093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26623168 + ... + 27484826.

It is an arithmetic number, because the mean of its divisors is an integer number (1971621115560).

Almost surely, 2^{23311320001023} is an apocalyptic number.

23311320001023 is a deficient number, since it is larger than the sum of its proper divisors (8234617847937).

23311320001023 is a wasteful number, since it uses less digits than its factorization.

23311320001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996326.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23311320001023 its reverse (32010002311332), we get a palindrome (55321322312355).

The spelling of 23311320001023 in words is "twenty-three trillion, three hundred eleven billion, three hundred twenty million, one thousand, twenty-three".