23451473 has 4 divisors (see below), whose sum is σ = 23513088. Its totient is φ = 23389860.

The previous prime is 23451457. The next prime is 23451479. The reversal of 23451473 is 37415432.

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 23451473 - 2⁴ = 23451457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23451479) 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, 30233 + ... + 30998.

It is an arithmetic number, because the mean of its divisors is an integer number (5878272).

Almost surely, 2^23451473 is an apocalyptic number.

It is an amenable number.

23451473 is a deficient number, since it is larger than the sum of its proper divisors (61615).

23451473 is an equidigital number, since it uses as much as digits as its factorization.

23451473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61614.

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

The square root of 23451473 is about 4842.6720929669. The cubic root of 23451473 is about 286.2354207788.

The spelling of 23451473 in words is "twenty-three million, four hundred fifty-one thousand, four hundred seventy-three".