231632236638553 has 8 divisors (see below), whose sum is σ = 232469648016768. Its totient is φ = 230794833850224.

The previous prime is 231632236638527. The next prime is 231632236638563. The reversal of 231632236638553 is 355836632236132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231632236638553 is a prime.

It is a super-2 number, since 2×231632236638553² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231632236638563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54585600 + ... + 58675822.

It is an arithmetic number, because the mean of its divisors is an integer number (29058706002096).

Almost surely, 2^{231632236638553} is an apocalyptic number.

It is an amenable number.

231632236638553 is a deficient number, since it is larger than the sum of its proper divisors (837411378215).

231632236638553 is a wasteful number, since it uses less digits than its factorization.

231632236638553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294943.

The product of its digits is 83980800, while the sum is 58.

The spelling of 231632236638553 in words is "two hundred thirty-one trillion, six hundred thirty-two billion, two hundred thirty-six million, six hundred thirty-eight thousand, five hundred fifty-three".