23970870 has 128 divisors (see below), whose sum is σ = 79764480. Its totient is φ = 4976640.

The previous prime is 23970847. The next prime is 23970883. The reversal of 23970870 is 7807932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20214 + ... + 21366.

It is an arithmetic number, because the mean of its divisors is an integer number (623160).

Almost surely, 2^23970870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23970870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39882240).

23970870 is an abundant number, since it is smaller than the sum of its proper divisors (55793610).

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

23970870 is a wasteful number, since it uses less digits than its factorization.

23970870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 23970870 is about 4896.0055147028. The cubic root of 23970870 is about 288.3331647862. Note that the first 3 decimals are identical.

It can be divided in two parts, 239708 and 70, that added together give a triangular number (239778 = T₆₉₂).

The spelling of 23970870 in words is "twenty-three million, nine hundred seventy thousand, eight hundred seventy".