233403626631 has 48 divisors (see below), whose sum is σ = 371604461184. Its totient is φ = 129859724736.

The previous prime is 233403626629. The next prime is 233403626671. The reversal of 233403626631 is 136626304332.

It is not a de Polignac number, because 233403626631 - 2¹ = 233403626629 is a prime.

It is a super-2 number, since 2×233403626631² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233403626631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233403626671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1945516 + ... + 2061998.

It is an arithmetic number, because the mean of its divisors is an integer number (7741759608).

Almost surely, 2^233403626631 is an apocalyptic number.

233403626631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

233403626631 is a deficient number, since it is larger than the sum of its proper divisors (138200834553).

233403626631 is a wasteful number, since it uses less digits than its factorization.

233403626631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116860 (or 116853 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 39.

The spelling of 233403626631 in words is "two hundred thirty-three billion, four hundred three million, six hundred twenty-six thousand, six hundred thirty-one".