23210203313 has 4 divisors (see below), whose sum is σ = 25320221808. Its totient is φ = 21100184820.

The previous prime is 23210203307. The next prime is 23210203349. The reversal of 23210203313 is 31330201232.

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 not a de Polignac number, because 23210203313 - 2¹² = 23210199217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23210203013) 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, 1055009231 + ... + 1055009252.

It is an arithmetic number, because the mean of its divisors is an integer number (6330055452).

Almost surely, 2^23210203313 is an apocalyptic number.

It is an amenable number.

23210203313 is a deficient number, since it is larger than the sum of its proper divisors (2110018495).

23210203313 is a wasteful number, since it uses less digits than its factorization.

23210203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110018494.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23210203313 its reverse (31330201232), we get a palindrome (54540404545).

The spelling of 23210203313 in words is "twenty-three billion, two hundred ten million, two hundred three thousand, three hundred thirteen".