23430971 has 4 divisors (see below), whose sum is σ = 24664200. Its totient is φ = 22197744.

The previous prime is 23430959. The next prime is 23430977. The reversal of 23430971 is 17903432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23430971 - 2¹⁰ = 23429947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23430977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616586 + ... + 616623.

It is an arithmetic number, because the mean of its divisors is an integer number (6166050).

Almost surely, 2^23430971 is an apocalyptic number.

23430971 is a deficient number, since it is larger than the sum of its proper divisors (1233229).

23430971 is a wasteful number, since it uses less digits than its factorization.

23430971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233228.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23430971 is about 4840.5548235714. The cubic root of 23430971 is about 286.1519845196.

The spelling of 23430971 in words is "twenty-three million, four hundred thirty thousand, nine hundred seventy-one".