232161028 has 12 divisors (see below), whose sum is σ = 443216592. Its totient is φ = 105527720.

The previous prime is 232161023. The next prime is 232161029. The reversal of 232161028 is 820161232.

It is a junction number, because it is equal to n+sod(n) for n = 232160993 and 232161011.

It is not an unprimeable number, because it can be changed into a prime (232161023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638150 + ... + 2638237.

It is an arithmetic number, because the mean of its divisors is an integer number (36934716).

Almost surely, 2^232161028 is an apocalyptic number.

It is an amenable number.

232161028 is a deficient number, since it is larger than the sum of its proper divisors (211055564).

232161028 is a wasteful number, since it uses less digits than its factorization.

232161028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276402 (or 5276400 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 232161028 is about 15236.8312978782. The cubic root of 232161028 is about 614.6054957741.

The spelling of 232161028 in words is "two hundred thirty-two million, one hundred sixty-one thousand, twenty-eight".