23040724 has 12 divisors (see below), whose sum is σ = 46081504. Its totient is φ = 9874584.

The previous prime is 23040713. The next prime is 23040767. The reversal of 23040724 is 42704032.

23040724 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 23040695 and 23040704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411414 + ... + 411469.

Almost surely, 2^23040724 is an apocalyptic number.

It is an amenable number.

23040724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23040724 is a wasteful number, since it uses less digits than its factorization.

23040724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822894 (or 822892 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 23040724 is about 4800.0754160742. The cubic root of 23040724 is about 284.5544448728.

Adding to 23040724 its reverse (42704032), we get a palindrome (65744756).

The spelling of 23040724 in words is "twenty-three million, forty thousand, seven hundred twenty-four".