23722368 has 64 divisors (see below), whose sum is σ = 63566400. Its totient is φ = 7838208.

The previous prime is 23722367. The next prime is 23722373. The reversal of 23722368 is 86322732.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23722367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62403 + ... + 62781.

It is an arithmetic number, because the mean of its divisors is an integer number (993225).

Almost surely, 2^23722368 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 23722368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31783200).

23722368 is an abundant number, since it is smaller than the sum of its proper divisors (39844032).

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

23722368 is a wasteful number, since it uses less digits than its factorization.

23722368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 547 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 23722368 is about 4870.5613639497. The cubic root of 23722368 is about 287.3333345296. Note that the first 5 decimals are identical.

It can be divided in two parts, 23722 and 368, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 23722368 in words is "twenty-three million, seven hundred twenty-two thousand, three hundred sixty-eight".