23157446 has 8 divisors (see below), whose sum is σ = 37408224. Its totient is φ = 10688040.

The previous prime is 23157443. The next prime is 23157467. The reversal of 23157446 is 64475132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23157443) 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, 445310 + ... + 445361.

It is an arithmetic number, because the mean of its divisors is an integer number (4676028).

Almost surely, 2^23157446 is an apocalyptic number.

23157446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23157446 is a deficient number, since it is larger than the sum of its proper divisors (14250778).

23157446 is a wasteful number, since it uses less digits than its factorization.

23157446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890686.

The product of its digits is 20160, while the sum is 32.

The square root of 23157446 is about 4812.2184073460. The cubic root of 23157446 is about 285.0341438523.

The spelling of 23157446 in words is "twenty-three million, one hundred fifty-seven thousand, four hundred forty-six".