23031033555 has 32 divisors (see below), whose sum is σ = 38709964800. Its totient is φ = 11670285440.

The previous prime is 23031033541. The next prime is 23031033569. The reversal of 23031033555 is 55533013032.

It is an interprime number because it is at equal distance from previous prime (23031033541) and next prime (23031033569).

It is not a de Polignac number, because 23031033555 - 2⁶ = 23031033491 is a prime.

It is a super-2 number, since 2×23031033555² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172611 + ... + 275420.

It is an arithmetic number, because the mean of its divisors is an integer number (1209686400).

Almost surely, 2^23031033555 is an apocalyptic number.

23031033555 is a deficient number, since it is larger than the sum of its proper divisors (15678931245).

23031033555 is a wasteful number, since it uses less digits than its factorization.

23031033555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448211.

The product of its (nonzero) digits is 20250, while the sum is 30.

Adding to 23031033555 its reverse (55533013032), we get a palindrome (78564046587).

The spelling of 23031033555 in words is "twenty-three billion, thirty-one million, thirty-three thousand, five hundred fifty-five".