23457471 has 4 divisors (see below), whose sum is σ = 31276632. Its totient is φ = 15638312.

The previous prime is 23457461. The next prime is 23457479. The reversal of 23457471 is 17475432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23457471 - 2⁶ = 23457407 is a prime.

It is a super-3 number, since 3×23457471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23457479) 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, 3909576 + ... + 3909581.

It is an arithmetic number, because the mean of its divisors is an integer number (7819158).

Almost surely, 2^23457471 is an apocalyptic number.

23457471 is a deficient number, since it is larger than the sum of its proper divisors (7819161).

23457471 is an equidigital number, since it uses as much as digits as its factorization.

23457471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819160.

The product of its digits is 23520, while the sum is 33.

The square root of 23457471 is about 4843.2913395748. The cubic root of 23457471 is about 286.2598214310.

The spelling of 23457471 in words is "twenty-three million, four hundred fifty-seven thousand, four hundred seventy-one".