23074521 has 4 divisors (see below), whose sum is σ = 30766032. Its totient is φ = 15383012.

The previous prime is 23074511. The next prime is 23074523. The reversal of 23074521 is 12547032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23074521 - 2⁵ = 23074489 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23074491 and 23074500.

It is not an unprimeable number, because it can be changed into a prime (23074523) 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 3 ways as a sum of consecutive naturals, for example, 3845751 + ... + 3845756.

It is an arithmetic number, because the mean of its divisors is an integer number (7691508).

Almost surely, 2^23074521 is an apocalyptic number.

It is an amenable number.

23074521 is a deficient number, since it is larger than the sum of its proper divisors (7691511).

23074521 is an equidigital number, since it uses as much as digits as its factorization.

23074521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691510.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 23074521 is about 4803.5945915533. The cubic root of 23074521 is about 284.6935086188.

The spelling of 23074521 in words is "twenty-three million, seventy-four thousand, five hundred twenty-one".