22923473 has 4 divisors (see below), whose sum is σ = 22942320. Its totient is φ = 22904628.

The previous prime is 22923449. The next prime is 22923491. The reversal of 22923473 is 37432922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22923473 - 2⁸ = 22923217 is a prime.

It is a super-2 number, since 2×22923473² = 1050971228763458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22923403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7463 + ... + 10076.

It is an arithmetic number, because the mean of its divisors is an integer number (5735580).

Almost surely, 2^22923473 is an apocalyptic number.

It is an amenable number.

22923473 is a deficient number, since it is larger than the sum of its proper divisors (18847).

22923473 is a wasteful number, since it uses less digits than its factorization.

22923473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18846.

The product of its digits is 18144, while the sum is 32.

The square root of 22923473 is about 4787.8463843361. The cubic root of 22923473 is about 284.0709379431.

The spelling of 22923473 in words is "twenty-two million, nine hundred twenty-three thousand, four hundred seventy-three".