23155706 has 16 divisors (see below), whose sum is σ = 39759360. Its totient is φ = 9907920.

The previous prime is 23155703. The next prime is 23155709. The reversal of 23155706 is 60755132.

It is an interprime number because it is at equal distance from previous prime (23155703) and next prime (23155709).

It is not an unprimeable number, because it can be changed into a prime (23155703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13040 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (2484960).

Almost surely, 2^23155706 is an apocalyptic number.

23155706 is a deficient number, since it is larger than the sum of its proper divisors (16603654).

23155706 is a wasteful number, since it uses less digits than its factorization.

23155706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 23155706 is about 4812.0376141506. The cubic root of 23155706 is about 285.0270047254.

The spelling of 23155706 in words is "twenty-three million, one hundred fifty-five thousand, seven hundred six".