23813421 has 8 divisors (see below), whose sum is σ = 31810464. Its totient is φ = 15846000.

The previous prime is 23813411. The next prime is 23813453. The reversal of 23813421 is 12431832.

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

It is not a de Polignac number, because 23813421 - 2²³ = 15424813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23813391 and 23813400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23813401) 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, 5455 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (3976308).

Almost surely, 2^23813421 is an apocalyptic number.

It is an amenable number.

23813421 is a deficient number, since it is larger than the sum of its proper divisors (7997043).

23813421 is a wasteful number, since it uses less digits than its factorization.

23813421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14811.

The product of its digits is 1152, while the sum is 24.

The square root of 23813421 is about 4879.8996915920. The cubic root of 23813421 is about 287.7004867501.

The spelling of 23813421 in words is "twenty-three million, eight hundred thirteen thousand, four hundred twenty-one".