23210845 has 8 divisors (see below), whose sum is σ = 31832064. Its totient is φ = 15915984.

The previous prime is 23210843. The next prime is 23210849. The reversal of 23210845 is 54801232.

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

It is not a de Polignac number, because 23210845 - 2¹ = 23210843 is a prime.

It is a super-2 number, since 2×23210845² = 1077486651228050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331549 + ... + 331618.

It is an arithmetic number, because the mean of its divisors is an integer number (3979008).

Almost surely, 2^23210845 is an apocalyptic number.

It is an amenable number.

23210845 is a deficient number, since it is larger than the sum of its proper divisors (8621219).

23210845 is an equidigital number, since it uses as much as digits as its factorization.

23210845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663179.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 23210845 is about 4817.7634852699. The cubic root of 23210845 is about 285.2530634191.

The spelling of 23210845 in words is "twenty-three million, two hundred ten thousand, eight hundred forty-five".