22303923 has 4 divisors (see below), whose sum is σ = 29738568. Its totient is φ = 14869280.

The previous prime is 22303921. The next prime is 22303943. The reversal of 22303923 is 32930322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22303923 - 2¹ = 22303921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22303893 and 22303902.

It is not an unprimeable number, because it can be changed into a prime (22303921) 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, 3717318 + ... + 3717323.

It is an arithmetic number, because the mean of its divisors is an integer number (7434642).

Almost surely, 2^22303923 is an apocalyptic number.

22303923 is a deficient number, since it is larger than the sum of its proper divisors (7434645).

22303923 is an equidigital number, since it uses as much as digits as its factorization.

22303923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434644.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 22303923 is about 4722.7029337023. The cubic root of 22303923 is about 281.4883459068.

The spelling of 22303923 in words is "twenty-two million, three hundred three thousand, nine hundred twenty-three".