203231420402232 has 32 divisors (see below), whose sum is σ = 508132527832080. Its totient is φ = 67736609890560.

The previous prime is 203231420402167. The next prime is 203231420402267. The reversal of 203231420402232 is 232204024132302.

It is a super-2 number, since 2×203231420402232² (a number of 29 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 203231420402232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449576269 + ... + 450028092.

Almost surely, 2^{203231420402232} is an apocalyptic number.

It is an amenable number.

203231420402232 is an abundant number, since it is smaller than the sum of its proper divisors (304901107429848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203231420402232 is a wasteful number, since it uses less digits than its factorization.

203231420402232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899613783 (or 899613779 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 203231420402232 its reverse (232204024132302), we get a palindrome (435435444534534).

The spelling of 203231420402232 in words is "two hundred three trillion, two hundred thirty-one billion, four hundred twenty million, four hundred two thousand, two hundred thirty-two".