23440870 has 16 divisors (see below), whose sum is σ = 44414640. Its totient is φ = 8882784.

The previous prime is 23440861. The next prime is 23440871. The reversal of 23440870 is 7804432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440871) 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, 61497 + ... + 61876.

It is an arithmetic number, because the mean of its divisors is an integer number (2775915).

Almost surely, 2^23440870 is an apocalyptic number.

23440870 is a deficient number, since it is larger than the sum of its proper divisors (20973770).

23440870 is a wasteful number, since it uses less digits than its factorization.

23440870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123399.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 23440870 is about 4841.5772223522. The cubic root of 23440870 is about 286.1922762014.

It can be divided in two parts, 23440 and 870, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 23440870 in words is "twenty-three million, four hundred forty thousand, eight hundred seventy".