23458457 has 4 divisors (see below), whose sum is σ = 25591056. Its totient is φ = 21325860.

The previous prime is 23458451. The next prime is 23458493. The reversal of 23458457 is 75485432.

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 a de Polignac number, because none of the positive numbers 2^k-23458457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23458457.

It is not an unprimeable number, because it can be changed into a prime (23458451) 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, 1066283 + ... + 1066304.

It is an arithmetic number, because the mean of its divisors is an integer number (6397764).

Almost surely, 2^23458457 is an apocalyptic number.

It is an amenable number.

23458457 is a deficient number, since it is larger than the sum of its proper divisors (2132599).

23458457 is a wasteful number, since it uses less digits than its factorization.

23458457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132598.

The product of its digits is 134400, while the sum is 38.

The square root of 23458457 is about 4843.3931287889. The cubic root of 23458457 is about 286.2638322104.

The spelling of 23458457 in words is "twenty-three million, four hundred fifty-eight thousand, four hundred fifty-seven".