23201311323 has 16 divisors (see below), whose sum is σ = 33372811296. Its totient is φ = 14283010560.

The previous prime is 23201311319. The next prime is 23201311327. The reversal of 23201311323 is 32311310232.

It is an interprime number because it is at equal distance from previous prime (23201311319) and next prime (23201311327).

It is not a de Polignac number, because 23201311323 - 2² = 23201311319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23201311323.

It is not an unprimeable number, because it can be changed into a prime (23201311327) 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, 4289068 + ... + 4294473.

It is an arithmetic number, because the mean of its divisors is an integer number (2085800706).

Almost surely, 2^23201311323 is an apocalyptic number.

23201311323 is a deficient number, since it is larger than the sum of its proper divisors (10171499973).

23201311323 is a wasteful number, since it uses less digits than its factorization.

23201311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583614.

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

Adding to 23201311323 its reverse (32311310232), we get a palindrome (55512621555).

The spelling of 23201311323 in words is "twenty-three billion, two hundred one million, three hundred eleven thousand, three hundred twenty-three".