23155646 has 8 divisors (see below), whose sum is σ = 35091840. Its totient is φ = 11458368.

The previous prime is 23155637. The next prime is 23155663. The reversal of 23155646 is 64655132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59486 + ... + 59873.

It is an arithmetic number, because the mean of its divisors is an integer number (4386480).

Almost surely, 2^23155646 is an apocalyptic number.

23155646 is a deficient number, since it is larger than the sum of its proper divisors (11936194).

23155646 is a wasteful number, since it uses less digits than its factorization.

23155646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119458.

The product of its digits is 21600, while the sum is 32.

The square root of 23155646 is about 4812.0313797813. The cubic root of 23155646 is about 285.0267585423.

The spelling of 23155646 in words is "twenty-three million, one hundred fifty-five thousand, six hundred forty-six".