232405132999 has 4 divisors (see below), whose sum is σ = 250282450936. Its totient is φ = 214527815064.

The previous prime is 232405132943. The next prime is 232405133003. The reversal of 232405132999 is 999231504232.

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

It is a cyclic number.

It is not a de Polignac number, because 232405132999 - 2³¹ = 230257649351 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 (232405132199) 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, 8938658949 + ... + 8938658974.

It is an arithmetic number, because the mean of its divisors is an integer number (62570612734).

Almost surely, 2^232405132999 is an apocalyptic number.

232405132999 is a deficient number, since it is larger than the sum of its proper divisors (17877317937).

232405132999 is a wasteful number, since it uses less digits than its factorization.

232405132999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877317936.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 232405132999 in words is "two hundred thirty-two billion, four hundred five million, one hundred thirty-two thousand, nine hundred ninety-nine".