23372016 has 80 divisors (see below), whose sum is σ = 63329280. Its totient is φ = 7418880.

The previous prime is 23372003. The next prime is 23372029. The reversal of 23372016 is 61027332.

23372016 = 139² + 140² + ... + 417².

It is an interprime number because it is at equal distance from previous prime (23372003) and next prime (23372029).

It is a super-2 number, since 2×23372016² = 1092502263808512, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168075 + ... + 168213.

It is an arithmetic number, because the mean of its divisors is an integer number (791616).

Almost surely, 2^23372016 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 23372016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31664640).

23372016 is an abundant number, since it is smaller than the sum of its proper divisors (39957264).

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

23372016 is a wasteful number, since it uses less digits than its factorization.

23372016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 23372016 is about 4834.4612936707. The cubic root of 23372016 is about 285.9117859226.

Adding to 23372016 its reverse (61027332), we get a palindrome (84399348).

The spelling of 23372016 in words is "twenty-three million, three hundred seventy-two thousand, sixteen".