23122724 has 6 divisors (see below), whose sum is σ = 40464774. Its totient is φ = 11561360.

The previous prime is 23122709. The next prime is 23122727. The reversal of 23122724 is 42722132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 465124 = 4760^2 + 682^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23122724.

It is not an unprimeable number, because it can be changed into a prime (23122727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2890337 + ... + 2890344.

It is an arithmetic number, because the mean of its divisors is an integer number (6744129).

Almost surely, 2^23122724 is an apocalyptic number.

It is an amenable number.

23122724 is a deficient number, since it is larger than the sum of its proper divisors (17342050).

23122724 is a wasteful number, since it uses less digits than its factorization.

23122724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780685 (or 5780683 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 23122724 is about 4808.6093623833. The cubic root of 23122724 is about 284.8916136537.

Adding to 23122724 its reverse (42722132), we get a palindrome (65844856).

The spelling of 23122724 in words is "twenty-three million, one hundred twenty-two thousand, seven hundred twenty-four".