22123953 has 24 divisors (see below), whose sum is σ = 35313408. Its totient is φ = 13276032.

The previous prime is 22123943. The next prime is 22123957. The reversal of 22123953 is 35932122.

It is not a de Polignac number, because 22123953 - 2⁵ = 22123921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22123957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (1471392).

Almost surely, 2^22123953 is an apocalyptic number.

22123953 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22123953 is a deficient number, since it is larger than the sum of its proper divisors (13189455).

22123953 is a wasteful number, since it uses less digits than its factorization.

22123953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333 (or 6330 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 22123953 is about 4703.6106343957. The cubic root of 22123953 is about 280.7291920349.

The spelling of 22123953 in words is "twenty-two million, one hundred twenty-three thousand, nine hundred fifty-three".