23471420 has 48 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 8007744.

The previous prime is 23471387. The next prime is 23471443. The reversal of 23471420 is 2417432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50027 + ... + 50493.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^23471420 is an apocalyptic number.

23471420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23471420 is an abundant number, since it is smaller than the sum of its proper divisors (33137860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23471420 is a wasteful number, since it uses less digits than its factorization.

23471420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 23471420 is about 4844.7311586919. The cubic root of 23471420 is about 286.3165517156.

Adding to 23471420 its reverse (2417432), we get a palindrome (25888852).

The spelling of 23471420 in words is "twenty-three million, four hundred seventy-one thousand, four hundred twenty".