23845045 has 16 divisors (see below), whose sum is σ = 33758208. Its totient is φ = 15822720.

The previous prime is 23845037. The next prime is 23845051. The reversal of 23845045 is 54054832.

It is not a de Polignac number, because 23845045 - 2³ = 23845037 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23844998 and 23845016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9904 + ... + 12073.

It is an arithmetic number, because the mean of its divisors is an integer number (2109888).

Almost surely, 2^23845045 is an apocalyptic number.

It is an amenable number.

23845045 is a deficient number, since it is larger than the sum of its proper divisors (9913163).

23845045 is a wasteful number, since it uses less digits than its factorization.

23845045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22020.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 23845045 is about 4883.1388470942. The cubic root of 23845045 is about 287.8277849335.

Adding to 23845045 its reverse (54054832), we get a palindrome (77899877).

The spelling of 23845045 in words is "twenty-three million, eight hundred forty-five thousand, forty-five".