23426545 has 16 divisors (see below), whose sum is σ = 29168640. Its totient is φ = 18043200.

The previous prime is 23426537. The next prime is 23426549. The reversal of 23426545 is 54562432.

It is not a de Polignac number, because 23426545 - 2³ = 23426537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (23426549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55435 + ... + 55855.

It is an arithmetic number, because the mean of its divisors is an integer number (1823040).

Almost surely, 2^23426545 is an apocalyptic number.

It is an amenable number.

23426545 is a deficient number, since it is larger than the sum of its proper divisors (5742095).

23426545 is a wasteful number, since it uses less digits than its factorization.

23426545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its digits is 28800, while the sum is 31.

The square root of 23426545 is about 4840.0976229824. The cubic root of 23426545 is about 286.1339657979.

Adding to 23426545 its reverse (54562432), we get a palindrome (77988977).

The spelling of 23426545 in words is "twenty-three million, four hundred twenty-six thousand, five hundred forty-five".