231323032 has 8 divisors (see below), whose sum is σ = 433730700. Its totient is φ = 115661512.

The previous prime is 231323021. The next prime is 231323069. The reversal of 231323032 is 230323132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 14457682 + ... + 14457697.

Almost surely, 2^231323032 is an apocalyptic number.

It is an amenable number.

231323032 is a deficient number, since it is larger than the sum of its proper divisors (202407668).

231323032 is a wasteful number, since it uses less digits than its factorization.

231323032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915385 (or 28915381 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 231323032 is about 15209.3074135544. The cubic root of 231323032 is about 613.8651219046.

Adding to 231323032 its reverse (230323132), we get a palindrome (461646164).

The spelling of 231323032 in words is "two hundred thirty-one million, three hundred twenty-three thousand, thirty-two".