23418073 has 4 divisors (see below), whose sum is σ = 26763520. Its totient is φ = 20072628.

The previous prime is 23418067. The next prime is 23418091. The reversal of 23418073 is 37081432.

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 23418073 - 2²¹ = 21320921 is a prime.

It is a super-2 number, since 2×23418073² = 1096812286066658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23418023) 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, 1672713 + ... + 1672726.

It is an arithmetic number, because the mean of its divisors is an integer number (6690880).

Almost surely, 2^23418073 is an apocalyptic number.

It is an amenable number.

23418073 is a deficient number, since it is larger than the sum of its proper divisors (3345447).

23418073 is an equidigital number, since it uses as much as digits as its factorization.

23418073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345446.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23418073 is about 4839.2223548831. Note that the first 3 decimals coincide. The cubic root of 23418073 is about 286.0994690445.

The spelling of 23418073 in words is "twenty-three million, four hundred eighteen thousand, seventy-three".