23813977 has 8 divisors (see below), whose sum is σ = 26681472. Its totient is φ = 21063600.

The previous prime is 23813971. The next prime is 23814023. The reversal of 23813977 is 77931832.

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

It is a cyclic number.

It is not a de Polignac number, because 23813977 - 2¹⁹ = 23289689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23813971) 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, 28849 + ... + 29662.

It is an arithmetic number, because the mean of its divisors is an integer number (3335184).

Almost surely, 2^23813977 is an apocalyptic number.

It is an amenable number.

23813977 is a deficient number, since it is larger than the sum of its proper divisors (2867495).

23813977 is a wasteful number, since it uses less digits than its factorization.

23813977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58559.

The product of its digits is 63504, while the sum is 40.

The square root of 23813977 is about 4879.9566596436. The cubic root of 23813977 is about 287.7027258267.

The spelling of 23813977 in words is "twenty-three million, eight hundred thirteen thousand, nine hundred seventy-seven".