22961723 has 2 divisors, whose sum is σ = 22961724. Its totient is φ = 22961722.

The previous prime is 22961717. The next prime is 22961753. The reversal of 22961723 is 32716922.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22961723 - 2¹⁴ = 22945339 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22961723.

It is not a weakly prime, because it can be changed into another prime (22961753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11480861 + 11480862.

It is an arithmetic number, because the mean of its divisors is an integer number (11480862).

Almost surely, 2^22961723 is an apocalyptic number.

22961723 is a deficient number, since it is larger than the sum of its proper divisors (1).

22961723 is an equidigital number, since it uses as much as digits as its factorization.

22961723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 22961723 is about 4791.8392084877. The cubic root of 22961723 is about 284.2288499587.

The spelling of 22961723 in words is "twenty-two million, nine hundred sixty-one thousand, seven hundred twenty-three".