23438712 has 64 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 6947840.

The previous prime is 23438707. The next prime is 23438717. The reversal of 23438712 is 21783432.

It is an interprime number because it is at equal distance from previous prime (23438707) and next prime (23438717).

It is a self number, because there is not a number n which added to its sum of digits gives 23438712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23438717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11464 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^23438712 is an apocalyptic number.

23438712 is a gapful number since it is divisible by the number (22) 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 23438712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32659200).

23438712 is an abundant number, since it is smaller than the sum of its proper divisors (41879688).

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

23438712 is a wasteful number, since it uses less digits than its factorization.

23438712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1952 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 23438712 is about 4841.3543559628. The cubic root of 23438712 is about 286.1834935085.

The spelling of 23438712 in words is "twenty-three million, four hundred thirty-eight thousand, seven hundred twelve".