23045507 has 4 divisors (see below), whose sum is σ = 23056560. Its totient is φ = 23034456.

The previous prime is 23045497. The next prime is 23045573. The reversal of 23045507 is 70554032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23045507 is a prime.

It is a super-3 number, since 3×23045507³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23045597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (5764140).

Almost surely, 2^23045507 is an apocalyptic number.

23045507 is a deficient number, since it is larger than the sum of its proper divisors (11053).

23045507 is an equidigital number, since it uses as much as digits as its factorization.

23045507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 23045507 is about 4800.5736115594. The cubic root of 23045507 is about 284.5741336312.

Adding to 23045507 its reverse (70554032), we get a palindrome (93599539).

The spelling of 23045507 in words is "twenty-three million, forty-five thousand, five hundred seven".