23000913 has 24 divisors (see below), whose sum is σ = 36282792. Its totient is φ = 13955328.

The previous prime is 23000911. The next prime is 23000921. The reversal of 23000913 is 31900032.

It can be written as a sum of positive squares in 4 ways, for example, as 788544 + 22212369 = 888^2 + 4713^2 .

It is not a de Polignac number, because 23000913 - 2¹ = 23000911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23000911) 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, 7195 + ... + 9887.

It is an arithmetic number, because the mean of its divisors is an integer number (1511783).

Almost surely, 2^23000913 is an apocalyptic number.

It is an amenable number.

23000913 is a deficient number, since it is larger than the sum of its proper divisors (13281879).

23000913 is a wasteful number, since it uses less digits than its factorization.

23000913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 23000913 is about 4795.9267091981. The cubic root of 23000913 is about 284.3904609072.

Adding to 23000913 its reverse (31900032), we get a palindrome (54900945).

The spelling of 23000913 in words is "twenty-three million, nine hundred thirteen", and thus it is an aban number.