23031002323 has 32 divisors (see below), whose sum is σ = 28076889600. Its totient is φ = 18452738304.

The previous prime is 23031002317. The next prime is 23031002327. The reversal of 23031002323 is 32320013032.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23031002323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23031002323.

It is not an unprimeable number, because it can be changed into a prime (23031002327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6473061 + ... + 6476617.

It is an arithmetic number, because the mean of its divisors is an integer number (877402800).

Almost surely, 2^23031002323 is an apocalyptic number.

23031002323 is a deficient number, since it is larger than the sum of its proper divisors (5045887277).

23031002323 is a wasteful number, since it uses less digits than its factorization.

23031002323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23031002323 its reverse (32320013032), we get a palindrome (55351015355).

The spelling of 23031002323 in words is "twenty-three billion, thirty-one million, two thousand, three hundred twenty-three".