22723967 has 4 divisors (see below), whose sum is σ = 25970256. Its totient is φ = 19477680.

The previous prime is 22723949. The next prime is 22723973. The reversal of 22723967 is 76932722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76932722 = 2 ⋅38466361.

It is a cyclic number.

It is not a de Polignac number, because 22723967 - 2⁸ = 22723711 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 22723967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22723927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623134 + ... + 1623147.

It is an arithmetic number, because the mean of its divisors is an integer number (6492564).

Almost surely, 2^22723967 is an apocalyptic number.

22723967 is a deficient number, since it is larger than the sum of its proper divisors (3246289).

22723967 is an equidigital number, since it uses as much as digits as its factorization.

22723967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246288.

The product of its digits is 63504, while the sum is 38.

The square root of 22723967 is about 4766.9662260184. The cubic root of 22723967 is about 283.2444333165.

The spelling of 22723967 in words is "twenty-two million, seven hundred twenty-three thousand, nine hundred sixty-seven".