231952320 has 168 divisors, whose sum is σ = 816809136. Its totient is φ = 60383232.

The previous prime is 231952319. The next prime is 231952339. The reversal of 231952320 is 23259132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122904 + ... + 124776.

Almost surely, 2^231952320 is an apocalyptic number.

231952320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231952320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408404568).

231952320 is an abundant number, since it is smaller than the sum of its proper divisors (584856816).

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

231952320 is a wasteful number, since it uses less digits than its factorization.

231952320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 231952320 is about 15229.9809586224. The cubic root of 231952320 is about 614.4212679812.

The spelling of 231952320 in words is "two hundred thirty-one million, nine hundred fifty-two thousand, three hundred twenty".