230921659028 has 6 divisors (see below), whose sum is σ = 404112903306. Its totient is φ = 115460829512.

The previous prime is 230921659009. The next prime is 230921659069. The reversal of 230921659028 is 820956129032.

It can be written as a sum of positive squares in only one way, i.e., 115755091984 + 115166567044 = 340228^2 + 339362^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28865207375 + ... + 28865207382.

It is an arithmetic number, because the mean of its divisors is an integer number (67352150551).

Almost surely, 2^230921659028 is an apocalyptic number.

It is an amenable number.

230921659028 is a deficient number, since it is larger than the sum of its proper divisors (173191244278).

230921659028 is a wasteful number, since it uses less digits than its factorization.

230921659028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57730414761 (or 57730414759 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 230921659028 in words is "two hundred thirty billion, nine hundred twenty-one million, six hundred fifty-nine thousand, twenty-eight".