23953479 has 8 divisors (see below), whose sum is σ = 34841472. Its totient is φ = 14517240.

The previous prime is 23953441. The next prime is 23953499. The reversal of 23953479 is 97435932.

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

It is not a de Polignac number, because 23953479 - 2⁹ = 23952967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23953479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23953499) 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, 362899 + ... + 362964.

It is an arithmetic number, because the mean of its divisors is an integer number (4355184).

Almost surely, 2^23953479 is an apocalyptic number.

23953479 is a deficient number, since it is larger than the sum of its proper divisors (10887993).

23953479 is a wasteful number, since it uses less digits than its factorization.

23953479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725877.

The product of its digits is 204120, while the sum is 42.

The square root of 23953479 is about 4894.2291527880. The cubic root of 23953479 is about 288.2634188096.

The spelling of 23953479 in words is "twenty-three million, nine hundred fifty-three thousand, four hundred seventy-nine".