22396123 has 4 divisors (see below), whose sum is σ = 23713560. Its totient is φ = 21078688.

The previous prime is 22396109. The next prime is 22396141. The reversal of 22396123 is 32169322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32169322 = 2 ⋅16084661.

It is a cyclic number.

It is not a de Polignac number, because 22396123 - 2¹⁷ = 22265051 is a prime.

It is a super-2 number, since 2×22396123² = 1003172650862258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22396091 and 22396100.

It is not an unprimeable number, because it can be changed into a prime (22396183) 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, 658693 + ... + 658726.

It is an arithmetic number, because the mean of its divisors is an integer number (5928390).

Almost surely, 2^22396123 is an apocalyptic number.

22396123 is a deficient number, since it is larger than the sum of its proper divisors (1317437).

22396123 is a wasteful number, since it uses less digits than its factorization.

22396123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317436.

The product of its digits is 3888, while the sum is 28.

The square root of 22396123 is about 4732.4542258748. The cubic root of 22396123 is about 281.8756850245.

The spelling of 22396123 in words is "twenty-two million, three hundred ninety-six thousand, one hundred twenty-three".