232551243 has 24 divisors (see below), whose sum is σ = 359597056. Its totient is φ = 150028200.

The previous prime is 232551239. The next prime is 232551257. The reversal of 232551243 is 342155232.

It is a happy number.

It is not a de Polignac number, because 232551243 - 2² = 232551239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232551043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7903 + ... + 22968.

Almost surely, 2^232551243 is an apocalyptic number.

232551243 is a deficient number, since it is larger than the sum of its proper divisors (127045813).

232551243 is an equidigital number, since it uses as much as digits as its factorization.

232551243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30917 (or 30905 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 232551243 is about 15249.6309135664. The cubic root of 232551243 is about 614.9496448956.

The spelling of 232551243 in words is "two hundred thirty-two million, five hundred fifty-one thousand, two hundred forty-three".