23154473 has 4 divisors (see below), whose sum is σ = 23165268. Its totient is φ = 23143680.

The previous prime is 23154457. The next prime is 23154497. The reversal of 23154473 is 37445132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13741849 + 9412624 = 3707^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 23154473 - 2⁴ = 23154457 is a prime.

It is a super-2 number, since 2×23154473² = 1072259239815458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23154413) 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, 968 + ... + 6873.

It is an arithmetic number, because the mean of its divisors is an integer number (5791317).

Almost surely, 2^23154473 is an apocalyptic number.

It is an amenable number.

23154473 is a deficient number, since it is larger than the sum of its proper divisors (10795).

23154473 is an equidigital number, since it uses as much as digits as its factorization.

23154473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10794.

The product of its digits is 10080, while the sum is 29.

The square root of 23154473 is about 4811.9094962395. The cubic root of 23154473 is about 285.0219455759.

The spelling of 23154473 in words is "twenty-three million, one hundred fifty-four thousand, four hundred seventy-three".