23157146 has 8 divisors (see below), whose sum is σ = 35324640. Its totient is φ = 11382268.

The previous prime is 23157137. The next prime is 23157149. The reversal of 23157146 is 64175132.

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 (23157149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98006 + ... + 98241.

It is an arithmetic number, because the mean of its divisors is an integer number (4415580).

Almost surely, 2^23157146 is an apocalyptic number.

23157146 is a deficient number, since it is larger than the sum of its proper divisors (12167494).

23157146 is a wasteful number, since it uses less digits than its factorization.

23157146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196308.

The product of its digits is 5040, while the sum is 29.

The square root of 23157146 is about 4812.1872365900. The cubic root of 23157146 is about 285.0329129938.

The spelling of 23157146 in words is "twenty-three million, one hundred fifty-seven thousand, one hundred forty-six".