23478897 has 16 divisors (see below), whose sum is σ = 34433280. Its totient is φ = 14140032.

The previous prime is 23478857. The next prime is 23478899. The reversal of 23478897 is 79887432.

It is not a de Polignac number, because 23478897 - 2⁸ = 23478641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23478899) 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 15 ways as a sum of consecutive naturals, for example, 4572 + ... + 8237.

It is an arithmetic number, because the mean of its divisors is an integer number (2152080).

Almost surely, 2^23478897 is an apocalyptic number.

It is an amenable number.

23478897 is a deficient number, since it is larger than the sum of its proper divisors (10954383).

23478897 is a wasteful number, since it uses less digits than its factorization.

23478897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872.

The product of its digits is 677376, while the sum is 48.

The square root of 23478897 is about 4845.5027602923. The cubic root of 23478897 is about 286.3469512622.

The spelling of 23478897 in words is "twenty-three million, four hundred seventy-eight thousand, eight hundred ninety-seven".