23065722 has 20 divisors (see below), whose sum is σ = 51684666. Its totient is φ = 7688520.

The previous prime is 23065687. The next prime is 23065723. The reversal of 23065722 is 22756032.

23065722 = 179² + 180² + ... + 421².

23065722 is a `hidden beast` number, since 2 + 3 + 0 + 657 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19527561 + 3538161 = 4419^2 + 1881^2 .

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 (23065723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71029 + ... + 71352.

Almost surely, 2^23065722 is an apocalyptic number.

23065722 is an abundant number, since it is smaller than the sum of its proper divisors (28618944).

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

23065722 is a wasteful number, since it uses less digits than its factorization.

23065722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142395 (or 142386 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 23065722 is about 4802.6786275994. The cubic root of 23065722 is about 284.6573166553.

The spelling of 23065722 in words is "twenty-three million, sixty-five thousand, seven hundred twenty-two".