23157343 has 24 divisors (see below), whose sum is σ = 27234144. Its totient is φ = 19631040.

The previous prime is 23157331. The next prime is 23157347. The reversal of 23157343 is 34375132.

It is not a de Polignac number, because 23157343 - 2⁵ = 23157311 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23157347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147421 + ... + 147577.

It is an arithmetic number, because the mean of its divisors is an integer number (1134756).

Almost surely, 2^23157343 is an apocalyptic number.

23157343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23157343 is a deficient number, since it is larger than the sum of its proper divisors (4076801).

23157343 is a wasteful number, since it uses less digits than its factorization.

23157343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 244 counting only the distinct ones).

The product of its digits is 7560, while the sum is 28.

The square root of 23157343 is about 4812.2077054092. The cubic root of 23157343 is about 285.0337212587.

The spelling of 23157343 in words is "twenty-three million, one hundred fifty-seven thousand, three hundred forty-three".