23031600 has 120 divisors (see below), whose sum is σ = 78186960. Its totient is φ = 5775360.

The previous prime is 23031599. The next prime is 23031601. The reversal of 23031600 is 613032.

It is an interprime number because it is at equal distance from previous prime (23031599) and next prime (23031601).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23031600.

It is not an unprimeable number, because it can be changed into a prime (23031601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19836 + ... + 20964.

It is an arithmetic number, because the mean of its divisors is an integer number (651558).

Almost surely, 2^23031600 is an apocalyptic number.

23031600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23031600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39093480).

23031600 is an abundant number, since it is smaller than the sum of its proper divisors (55155360).

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

23031600 is a wasteful number, since it uses less digits than its factorization.

23031600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23031600 is about 4799.1249202329. The cubic root of 23031600 is about 284.5168792487.

Adding to 23031600 its reverse (613032), we get a palindrome (23644632).

The spelling of 23031600 in words is "twenty-three million, thirty-one thousand, six hundred".