23406453 has 24 divisors (see below), whose sum is σ = 38795328. Its totient is φ = 13321152.

The previous prime is 23406437. The next prime is 23406463. The reversal of 23406453 is 35460432.

It is not a de Polignac number, because 23406453 - 2⁴ = 23406437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19126 + ... + 20312.

It is an arithmetic number, because the mean of its divisors is an integer number (1616472).

Almost surely, 2^23406453 is an apocalyptic number.

It is an amenable number.

23406453 is a deficient number, since it is larger than the sum of its proper divisors (15388875).

23406453 is a wasteful number, since it uses less digits than its factorization.

23406453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 23406453 is about 4838.0215997864. The cubic root of 23406453 is about 286.0521405581.

Adding to 23406453 its reverse (35460432), we get a palindrome (58866885).

The spelling of 23406453 in words is "twenty-three million, four hundred six thousand, four hundred fifty-three".