23036724 has 60 divisors (see below), whose sum is σ = 60926404. Its totient is φ = 7589376.

The previous prime is 23036723. The next prime is 23036729. The reversal of 23036724 is 42763032.

It can be written as a sum of positive squares in 2 ways, for example, as 17892900 + 5143824 = 4230^2 + 2268^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23036723) 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 19 ways as a sum of consecutive naturals, for example, 31062 + ... + 31794.

Almost surely, 2^23036724 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 23036724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30463202).

23036724 is an abundant number, since it is smaller than the sum of its proper divisors (37889680).

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

23036724 is a wasteful number, since it uses less digits than its factorization.

23036724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 23036724 is about 4799.6587378688. The cubic root of 23036724 is about 284.5379771662.

Adding to 23036724 its reverse (42763032), we get a palindrome (65799756).

The spelling of 23036724 in words is "twenty-three million, thirty-six thousand, seven hundred twenty-four".