23157482 has 8 divisors (see below), whose sum is σ = 35080452. Its totient is φ = 11464000.

The previous prime is 23157479. The next prime is 23157487. The reversal of 23157482 is 28475132.

It can be written as a sum of positive squares in 2 ways, for example, as 18826921 + 4330561 = 4339^2 + 2081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23157487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57119 + ... + 57522.

Almost surely, 2^23157482 is an apocalyptic number.

23157482 is a deficient number, since it is larger than the sum of its proper divisors (11922970).

23157482 is a wasteful number, since it uses less digits than its factorization.

23157482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114744.

The product of its digits is 13440, while the sum is 32.

The square root of 23157482 is about 4812.2221478232. Note that the first 3 decimals coincide. The cubic root of 23157482 is about 285.0342915546.

It can be divided in two parts, 23 and 157482, that multiplied together give a triangular number (3622086 = T₂₆₉₁).

The spelling of 23157482 in words is "twenty-three million, one hundred fifty-seven thousand, four hundred eighty-two".