23155710 has 64 divisors (see below), whose sum is σ = 59622912. Its totient is φ = 5740416.

The previous prime is 23155709. The next prime is 23155711. The reversal of 23155710 is 1755132.

It is an interprime number because it is at equal distance from previous prime (23155709) and next prime (23155711).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25077 + ... + 25983.

It is an arithmetic number, because the mean of its divisors is an integer number (931608).

Almost surely, 2^23155710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23155710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29811456).

23155710 is an abundant number, since it is smaller than the sum of its proper divisors (36467202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23155710 is a wasteful number, since it uses less digits than its factorization.

23155710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 23155710 is about 4812.0380297749. The cubic root of 23155710 is about 285.0270211376.

The spelling of 23155710 in words is "twenty-three million, one hundred fifty-five thousand, seven hundred ten".