231963456 has 56 divisors (see below), whose sum is σ = 624169440. Its totient is φ = 76006912.

The previous prime is 231963449. The next prime is 231963469. The reversal of 231963456 is 654369132.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 1090 + ... + 21566.

Almost surely, 2^231963456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231963456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312084720).

231963456 is an abundant number, since it is smaller than the sum of its proper divisors (392205984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231963456 is a wasteful number, since it uses less digits than its factorization.

231963456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20551 (or 20541 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 231963456 is about 15230.3465489135. The cubic root of 231963456 is about 614.4311005850.

The spelling of 231963456 in words is "two hundred thirty-one million, nine hundred sixty-three thousand, four hundred fifty-six".