231233012 has 6 divisors (see below), whose sum is σ = 404657778. Its totient is φ = 115616504.

The previous prime is 231232949. The next prime is 231233027. The reversal of 231233012 is 210332132.

231233012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 145781476 + 85451536 = 12074^2 + 9244^2 .

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, 28904123 + ... + 28904130.

It is an arithmetic number, because the mean of its divisors is an integer number (67442963).

Almost surely, 2^231233012 is an apocalyptic number.

It is an amenable number.

231233012 is a deficient number, since it is larger than the sum of its proper divisors (173424766).

231233012 is a wasteful number, since it uses less digits than its factorization.

231233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57808257 (or 57808255 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 231233012 is about 15206.3477534877. The cubic root of 231233012 is about 613.7854824677.

Adding to 231233012 its reverse (210332132), we get a palindrome (441565144).

The spelling of 231233012 in words is "two hundred thirty-one million, two hundred thirty-three thousand, twelve".