23197459 has 4 divisors (see below), whose sum is σ = 23233320. Its totient is φ = 23161600.

The previous prime is 23197457. The next prime is 23197463. The reversal of 23197459 is 95479132.

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 23197459 - 2¹ = 23197457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23197451) 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, 16942 + ... + 18259.

It is an arithmetic number, because the mean of its divisors is an integer number (5808330).

Almost surely, 2^23197459 is an apocalyptic number.

23197459 is a deficient number, since it is larger than the sum of its proper divisors (35861).

23197459 is an equidigital number, since it uses as much as digits as its factorization.

23197459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35860.

The product of its digits is 68040, while the sum is 40.

The square root of 23197459 is about 4816.3740510886. The cubic root of 23197459 is about 285.1982164746.

The spelling of 23197459 in words is "twenty-three million, one hundred ninety-seven thousand, four hundred fifty-nine".