23197823 has 8 divisors (see below), whose sum is σ = 26407296. Its totient is φ = 20171800.

The previous prime is 23197819. The next prime is 23197829. The reversal of 23197823 is 32879132.

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

It is not a de Polignac number, because 23197823 - 2² = 23197819 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 (23197829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45593 + ... + 46098.

It is an arithmetic number, because the mean of its divisors is an integer number (3300912).

Almost surely, 2^23197823 is an apocalyptic number.

23197823 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23197823 is a deficient number, since it is larger than the sum of its proper divisors (3209473).

23197823 is a wasteful number, since it uses less digits than its factorization.

23197823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91725.

The product of its digits is 18144, while the sum is 35.

The square root of 23197823 is about 4816.4118387032. The cubic root of 23197823 is about 285.1997081841.

The spelling of 23197823 in words is "twenty-three million, one hundred ninety-seven thousand, eight hundred twenty-three".