231223948 has 24 divisors (see below), whose sum is σ = 414962352. Its totient is φ = 112691904.

The previous prime is 231223933. The next prime is 231223957. The reversal of 231223948 is 849322132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29811 + ... + 36757.

It is an arithmetic number, because the mean of its divisors is an integer number (17290098).

Almost surely, 2^231223948 is an apocalyptic number.

It is an amenable number.

231223948 is a deficient number, since it is larger than the sum of its proper divisors (183738404).

231223948 is a wasteful number, since it uses less digits than its factorization.

231223948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161 (or 7159 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 231223948 is about 15206.0497171356. The cubic root of 231223948 is about 613.7774625282. Note that the first 3 decimals are identical.

The spelling of 231223948 in words is "two hundred thirty-one million, two hundred twenty-three thousand, nine hundred forty-eight".