23031031004 has 48 divisors (see below), whose sum is σ = 41873078016. Its totient is φ = 11072332800.

The previous prime is 23031030991. The next prime is 23031031021. The reversal of 23031031004 is 40013013032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23099834 + ... + 23100830.

It is an arithmetic number, because the mean of its divisors is an integer number (872355792).

Almost surely, 2^23031031004 is an apocalyptic number.

It is an amenable number.

23031031004 is a deficient number, since it is larger than the sum of its proper divisors (18842047012).

23031031004 is a wasteful number, since it uses less digits than its factorization.

23031031004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23031031004 its reverse (40013013032), we get a palindrome (63044044036).

The spelling of 23031031004 in words is "twenty-three billion, thirty-one million, thirty-one thousand, four".