23713722 has 20 divisors (see below), whose sum is σ = 53136666. Its totient is φ = 7904520.

The previous prime is 23713721. The next prime is 23713763. The reversal of 23713722 is 22731732.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23707161 + 6561 = 4869^2 + 81^2 .

It is a super-2 number, since 2×23713722² = 1124681222186568, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (23713721) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 73029 + ... + 73352.

Almost surely, 2^23713722 is an apocalyptic number.

23713722 is an abundant number, since it is smaller than the sum of its proper divisors (29422944).

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

23713722 is a wasteful number, since it uses less digits than its factorization.

23713722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146395 (or 146386 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 23713722 is about 4869.6737057014. The cubic root of 23713722 is about 287.2984225303.

The spelling of 23713722 in words is "twenty-three million, seven hundred thirteen thousand, seven hundred twenty-two".