23453457 has 4 divisors (see below), whose sum is σ = 31271280. Its totient is φ = 15635636.

The previous prime is 23453411. The next prime is 23453461. The reversal of 23453457 is 75435432.

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 23453457 - 2¹¹ = 23451409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23453407) 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, 3908907 + ... + 3908912.

It is an arithmetic number, because the mean of its divisors is an integer number (7817820).

Almost surely, 2^23453457 is an apocalyptic number.

It is an amenable number.

23453457 is a deficient number, since it is larger than the sum of its proper divisors (7817823).

23453457 is an equidigital number, since it uses as much as digits as its factorization.

23453457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817822.

The product of its digits is 50400, while the sum is 33.

The square root of 23453457 is about 4842.8769342200. The cubic root of 23453457 is about 286.2434924120.

Adding to 23453457 its reverse (75435432), we get a palindrome (98888889).

The spelling of 23453457 in words is "twenty-three million, four hundred fifty-three thousand, four hundred fifty-seven".