23418396 has 48 divisors (see below), whose sum is σ = 61486880. Its totient is φ = 7803216.

The previous prime is 23418377. The next prime is 23418397. The reversal of 23418396 is 69381432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23418396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23418397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7410 + ... + 10086.

Almost surely, 2^23418396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23418396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30743440).

23418396 is an abundant number, since it is smaller than the sum of its proper divisors (38068484).

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

23418396 is an equidigital number, since it uses as much as digits as its factorization.

23418396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2682 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 23418396 is about 4839.2557278987. The cubic root of 23418396 is about 286.1007844061.

The spelling of 23418396 in words is "twenty-three million, four hundred eighteen thousand, three hundred ninety-six".