23413590 has 64 divisors (see below), whose sum is σ = 66121920. Its totient is φ = 5875200.

The previous prime is 23413571. The next prime is 23413597. The reversal of 23413590 is 9531432.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23413597) 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, 2040 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (1033155).

Almost surely, 2^23413590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23413590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33060960).

23413590 is an abundant number, since it is smaller than the sum of its proper divisors (42708330).

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

23413590 is a wasteful number, since it uses less digits than its factorization.

23413590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134 (or 5128 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 23413590 is about 4838.7591384569. The cubic root of 23413590 is about 286.0812115535.

It can be divided in two parts, 234 and 13590, that added together give a cube (13824 = 24³).

The spelling of 23413590 in words is "twenty-three million, four hundred thirteen thousand, five hundred ninety".