23420760 has 96 divisors (see below), whose sum is σ = 77278320. Its totient is φ = 5674240.

The previous prime is 23420759. The next prime is 23420773. The reversal of 23420760 is 6702432.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23420760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13714 + ... + 15326.

Almost surely, 2^23420760 is an apocalyptic number.

23420760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 4839×4840.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23420760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38639160).

23420760 is an abundant number, since it is smaller than the sum of its proper divisors (53857560).

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

23420760 is a wasteful number, since it uses less digits than its factorization.

23420760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 23420760 is about 4839.4999741709. The cubic root of 23420760 is about 286.1104110190.

The spelling of 23420760 in words is "twenty-three million, four hundred twenty thousand, seven hundred sixty".