23456545 has 24 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 15234912.

The previous prime is 23456539. The next prime is 23456561. The reversal of 23456545 is 54565432.

23456545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 23456545 - 2⁷ = 23456417 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 23456545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2136 + ... + 7174.

It is an arithmetic number, because the mean of its divisors is an integer number (1436400).

Almost surely, 2^23456545 is an apocalyptic number.

It is an amenable number.

23456545 is a deficient number, since it is larger than the sum of its proper divisors (11017055).

23456545 is a wasteful number, since it uses less digits than its factorization.

23456545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077 (or 5070 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 23456545 is about 4843.1957424824. The cubic root of 23456545 is about 286.2560546128.

The spelling of 23456545 in words is "twenty-three million, four hundred fifty-six thousand, five hundred forty-five".