23930453 has 8 divisors (see below), whose sum is σ = 24639960. Its totient is φ = 23224320.

The previous prime is 23930449. The next prime is 23930461. The reversal of 23930453 is 35403932.

It can be written as a sum of positive squares in 4 ways, for example, as 11242609 + 12687844 = 3353^2 + 3562^2 .

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 23930453 - 2² = 23930449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23930653) 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, 23213 + ... + 24221.

It is an arithmetic number, because the mean of its divisors is an integer number (3079995).

Almost surely, 2^23930453 is an apocalyptic number.

It is an amenable number.

23930453 is a deficient number, since it is larger than the sum of its proper divisors (709507).

23930453 is a wasteful number, since it uses less digits than its factorization.

23930453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 23930453 is about 4891.8762249264. The cubic root of 23930453 is about 288.1710219116.

The spelling of 23930453 in words is "twenty-three million, nine hundred thirty thousand, four hundred fifty-three".