23977793 has 4 divisors (see below), whose sum is σ = 27403200. Its totient is φ = 20552388.

The previous prime is 23977771. The next prime is 23977801. The reversal of 23977793 is 39777932.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23977793 - 2⁶ = 23977729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23977763) 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, 1712693 + ... + 1712706.

It is an arithmetic number, because the mean of its divisors is an integer number (6850800).

Almost surely, 2^23977793 is an apocalyptic number.

It is an amenable number.

23977793 is a deficient number, since it is larger than the sum of its proper divisors (3425407).

23977793 is an equidigital number, since it uses as much as digits as its factorization.

23977793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425406.

The product of its digits is 500094, while the sum is 47.

The square root of 23977793 is about 4896.7124685854. The cubic root of 23977793 is about 288.3609198401.

The spelling of 23977793 in words is "twenty-three million, nine hundred seventy-seven thousand, seven hundred ninety-three".