23123032313 has 4 divisors (see below), whose sum is σ = 24128381568. Its totient is φ = 22117683060.

The previous prime is 23123032297. The next prime is 23123032351. The reversal of 23123032313 is 31323032132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23123032313 - 2⁴ = 23123032297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1005349231 = 23123032313 / (2 + 3 + 1 + 2 + 3 + 0 + 3 + 2 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123032393) 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, 502674593 + ... + 502674638.

It is an arithmetic number, because the mean of its divisors is an integer number (6032095392).

Almost surely, 2^23123032313 is an apocalyptic number.

23123032313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23123032313 is a deficient number, since it is larger than the sum of its proper divisors (1005349255).

23123032313 is a wasteful number, since it uses less digits than its factorization.

23123032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005349254.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23123032313 its reverse (31323032132), we get a palindrome (54446064445).

The spelling of 23123032313 in words is "twenty-three billion, one hundred twenty-three million, thirty-two thousand, three hundred thirteen".