231963148 has 12 divisors (see below), whose sum is σ = 406071792. Its totient is φ = 115942640.

The previous prime is 231963143. The next prime is 231963169. The reversal of 231963148 is 841369132.

It is not an unprimeable number, because it can be changed into a prime (231963143) 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, 6786 + ... + 22582.

It is an arithmetic number, because the mean of its divisors is an integer number (33839316).

Almost surely, 2^231963148 is an apocalyptic number.

It is an amenable number.

231963148 is a deficient number, since it is larger than the sum of its proper divisors (174108644).

231963148 is a wasteful number, since it uses less digits than its factorization.

231963148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19472 (or 19470 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 231963148 is about 15230.3364375184. The cubic root of 231963148 is about 614.4308286386.

It can be divided in two parts, 23 and 1963148, that added together give a triangular number (1963171 = T₁₉₈₁).

The spelling of 231963148 in words is "two hundred thirty-one million, nine hundred sixty-three thousand, one hundred forty-eight".