234243657 has 20 divisors (see below), whose sum is σ = 361211136. Its totient is φ = 151123320.

The previous prime is 234243637. The next prime is 234243671. The reversal of 234243657 is 756342432.

It is not a de Polignac number, because 234243657 - 2⁶ = 234243593 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (234243617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44133 + ... + 49154.

Almost surely, 2^234243657 is an apocalyptic number.

234243657 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

234243657 is a deficient number, since it is larger than the sum of its proper divisors (126967479).

234243657 is an equidigital number, since it uses as much as digits as its factorization.

234243657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93330 (or 93321 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 234243657 is about 15305.0206468335. The cubic root of 234243657 is about 616.4378256158.

The spelling of 234243657 in words is "two hundred thirty-four million, two hundred forty-three thousand, six hundred fifty-seven".