23443722 has 32 divisors (see below), whose sum is σ = 52392960. Its totient is φ = 7770240.

The previous prime is 23443699. The next prime is 23443723. The reversal of 23443722 is 22734432.

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 (23443723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9178 + ... + 11450.

It is an arithmetic number, because the mean of its divisors is an integer number (1637280).

Almost surely, 2^23443722 is an apocalyptic number.

23443722 is an abundant number, since it is smaller than the sum of its proper divisors (28949238).

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

23443722 is a wasteful number, since it uses less digits than its factorization.

23443722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475 (or 2469 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 23443722 is about 4841.8717455133. The cubic root of 23443722 is about 286.2038825293.

It can be divided in two parts, 234 and 43722, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 23443722 in words is "twenty-three million, four hundred forty-three thousand, seven hundred twenty-two".