23042645 has 16 divisors (see below), whose sum is σ = 28259712. Its totient is φ = 18033600.

The previous prime is 23042629. The next prime is 23042653. The reversal of 23042645 is 54624032.

It is not a de Polignac number, because 23042645 - 2⁴ = 23042629 is a prime.

It is a Duffinian number.

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, 51794 + ... + 52236.

It is an arithmetic number, because the mean of its divisors is an integer number (1766232).

Almost surely, 2^23042645 is an apocalyptic number.

It is an amenable number.

23042645 is a deficient number, since it is larger than the sum of its proper divisors (5217067).

23042645 is a wasteful number, since it uses less digits than its factorization.

23042645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 23042645 is about 4800.2755129263. The cubic root of 23042645 is about 284.5623528115.

Adding to 23042645 its reverse (54624032), we get a palindrome (77666677).

It can be divided in two parts, 230 and 42645, that added together give a cube (42875 = 35³).

The spelling of 23042645 in words is "twenty-three million, forty-two thousand, six hundred forty-five".