230665972 has 6 divisors (see below), whose sum is σ = 403665458. Its totient is φ = 115332984.

The previous prime is 230665969. The next prime is 230666021. The reversal of 230665972 is 279566032.

It can be written as a sum of positive squares in only one way, i.e., 159668496 + 70997476 = 12636^2 + 8426^2 .

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, 28833243 + ... + 28833250.

Almost surely, 2^230665972 is an apocalyptic number.

It is an amenable number.

230665972 is a deficient number, since it is larger than the sum of its proper divisors (172999486).

230665972 is a wasteful number, since it uses less digits than its factorization.

230665972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57666497 (or 57666495 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 230665972 is about 15187.6914638137. The cubic root of 230665972 is about 613.2833543343.

The spelling of 230665972 in words is "two hundred thirty million, six hundred sixty-five thousand, nine hundred seventy-two".