23397477 has 8 divisors (see below), whose sum is σ = 31547520. Its totient is φ = 15422880.

The previous prime is 23397469. The next prime is 23397481. The reversal of 23397477 is 77479332.

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

It is not a de Polignac number, because 23397477 - 2³ = 23397469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23397427) 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, 43549 + ... + 44082.

It is an arithmetic number, because the mean of its divisors is an integer number (3943440).

Almost surely, 2^23397477 is an apocalyptic number.

It is an amenable number.

23397477 is a deficient number, since it is larger than the sum of its proper divisors (8150043).

23397477 is an equidigital number, since it uses as much as digits as its factorization.

23397477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87723.

The product of its digits is 222264, while the sum is 42.

The square root of 23397477 is about 4837.0938589198. The cubic root of 23397477 is about 286.0155704109.

The spelling of 23397477 in words is "twenty-three million, three hundred ninety-seven thousand, four hundred seventy-seven".