23275021 has 8 divisors (see below), whose sum is σ = 29018304. Its totient is φ = 18136320.

The previous prime is 23275001. The next prime is 23275027. The reversal of 23275021 is 12057232.

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 23275021 - 2⁹ = 23274509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23274983 and 23275001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23275027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151060 + ... + 151213.

It is an arithmetic number, because the mean of its divisors is an integer number (3627288).

Almost surely, 2^23275021 is an apocalyptic number.

It is an amenable number.

23275021 is a deficient number, since it is larger than the sum of its proper divisors (5743283).

23275021 is a wasteful number, since it uses less digits than its factorization.

23275021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302291.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 23275021 is about 4824.4192396598. The cubic root of 23275021 is about 285.5157215945.

The spelling of 23275021 in words is "twenty-three million, two hundred seventy-five thousand, twenty-one".