23113545 has 96 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 9354240.

The previous prime is 23113543. The next prime is 23113549. The reversal of 23113545 is 54531132.

It is not a de Polignac number, because 23113545 - 2¹ = 23113543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23113543) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 391726 + ... + 391784.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^23113545 is an apocalyptic number.

It is an amenable number.

23113545 is an abundant number, since it is smaller than the sum of its proper divisors (25149495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23113545 is a wasteful number, since it uses less digits than its factorization.

23113545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 128 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 23113545 is about 4807.6548337001. The cubic root of 23113545 is about 284.8539109704.

Adding to 23113545 its reverse (54531132), we get a palindrome (77644677).

The spelling of 23113545 in words is "twenty-three million, one hundred thirteen thousand, five hundred forty-five".