232509463 has 4 divisors (see below), whose sum is σ = 236896488. Its totient is φ = 228122440.

The previous prime is 232509449. The next prime is 232509467. The reversal of 232509463 is 364905232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232509463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232509467) 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, 2193433 + ... + 2193538.

It is an arithmetic number, because the mean of its divisors is an integer number (59224122).

Almost surely, 2^232509463 is an apocalyptic number.

232509463 is a deficient number, since it is larger than the sum of its proper divisors (4387025).

232509463 is an equidigital number, since it uses as much as digits as its factorization.

232509463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387024.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 232509463 is about 15248.2609828137. The cubic root of 232509463 is about 614.9128155433.

The spelling of 232509463 in words is "two hundred thirty-two million, five hundred nine thousand, four hundred sixty-three".