23231312330 has 16 divisors (see below), whose sum is σ = 41819428224. Its totient is φ = 9291843600.

The previous prime is 23231312323. The next prime is 23231312333. The reversal of 23231312330 is 3321313232.

It is a junction number, because it is equal to n+sod(n) for n = 23231312296 and 23231312305.

It is not an unprimeable number, because it can be changed into a prime (23231312333) 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 7 ways as a sum of consecutive naturals, for example, 71819 + ... + 227201.

It is an arithmetic number, because the mean of its divisors is an integer number (2613714264).

Almost surely, 2^23231312330 is an apocalyptic number.

23231312330 is a deficient number, since it is larger than the sum of its proper divisors (18588115894).

23231312330 is a wasteful number, since it uses less digits than its factorization.

23231312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170341.

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

Adding to 23231312330 its reverse (3321313232), we get a palindrome (26552625562).

The spelling of 23231312330 in words is "twenty-three billion, two hundred thirty-one million, three hundred twelve thousand, three hundred thirty".