22023453 has 8 divisors (see below), whose sum is σ = 29394688. Its totient is φ = 14667264.

The previous prime is 22023431. The next prime is 22023457. The reversal of 22023453 is 35432022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22023453 - 2⁶ = 22023389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276 + ... + 6642.

It is an arithmetic number, because the mean of its divisors is an integer number (3674336).

Almost surely, 2^22023453 is an apocalyptic number.

It is an amenable number.

22023453 is a deficient number, since it is larger than the sum of its proper divisors (7371235).

22023453 is a wasteful number, since it uses less digits than its factorization.

22023453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 22023453 is about 4692.9151920741. The cubic root of 22023453 is about 280.3034677475.

Adding to 22023453 its reverse (35432022), we get a palindrome (57455475).

The spelling of 22023453 in words is "twenty-two million, twenty-three thousand, four hundred fifty-three".