633023131 has 12 divisors (see below), whose sum is σ = 707580480. Its totient is φ = 565475040.

The previous prime is 633023093. The next prime is 633023143. The reversal of 633023131 is 131320336.

It is not a de Polignac number, because 633023131 - 2⁷ = 633023003 is a prime.

It is a super-2 number, since 2×633023131² = 801436568762086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633023161) 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 11 ways as a sum of consecutive naturals, for example, 55176 + ... + 65653.

It is an arithmetic number, because the mean of its divisors is an integer number (58965040).

Almost surely, 2^633023131 is an apocalyptic number.

633023131 is a deficient number, since it is larger than the sum of its proper divisors (74557349).

633023131 is a wasteful number, since it uses less digits than its factorization.

633023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120886 (or 120873 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 633023131 is about 25159.9509339744. The cubic root of 633023131 is about 858.6309255927.

Adding to 633023131 its reverse (131320336), we get a palindrome (764343467).

The spelling of 633023131 in words is "six hundred thirty-three million, twenty-three thousand, one hundred thirty-one".