23021045 has 8 divisors (see below), whose sum is σ = 28826496. Its totient is φ = 17616016.

The previous prime is 23021029. The next prime is 23021057. The reversal of 23021045 is 54012032.

23021045 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23021045 - 2⁴ = 23021029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99977 + ... + 100206.

It is an arithmetic number, because the mean of its divisors is an integer number (3603312).

Almost surely, 2^23021045 is an apocalyptic number.

It is an amenable number.

23021045 is a deficient number, since it is larger than the sum of its proper divisors (5805451).

23021045 is a wasteful number, since it uses less digits than its factorization.

23021045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200211.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23021045 is about 4798.0251145654. The cubic root of 23021045 is about 284.4734094864.

Adding to 23021045 its reverse (54012032), we get a palindrome (77033077).

The spelling of 23021045 in words is "twenty-three million, twenty-one thousand, forty-five".