23031123320123 has 4 divisors (see below), whose sum is σ = 23031147820200. Its totient is φ = 23031098820048.

The previous prime is 23031123320081. The next prime is 23031123320129. The reversal of 23031123320123 is 32102332113032.

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 23031123320123 - 2²⁴ = 23031106542907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23031123320092 and 23031123320101.

It is not an unprimeable number, because it can be changed into a prime (23031123320129) 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, 10781273 + ... + 12739626.

It is an arithmetic number, because the mean of its divisors is an integer number (5757786955050).

Almost surely, 2^{23031123320123} is an apocalyptic number.

23031123320123 is a deficient number, since it is larger than the sum of its proper divisors (24500077).

23031123320123 is an equidigital number, since it uses as much as digits as its factorization.

23031123320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24500076.

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

Adding to 23031123320123 its reverse (32102332113032), we get a palindrome (55133455433155).

The spelling of 23031123320123 in words is "twenty-three trillion, thirty-one billion, one hundred twenty-three million, three hundred twenty thousand, one hundred twenty-three".