23819388077 has 4 divisors (see below), whose sum is σ = 24326183616. Its totient is φ = 23312592540.

The previous prime is 23819388071. The next prime is 23819388097. The reversal of 23819388077 is 77088391832.

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 23819388077 - 2²⁴ = 23802610861 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 (23819388071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253397699 + ... + 253397792.

It is an arithmetic number, because the mean of its divisors is an integer number (6081545904).

Almost surely, 2^23819388077 is an apocalyptic number.

It is an amenable number.

23819388077 is a deficient number, since it is larger than the sum of its proper divisors (506795539).

23819388077 is an equidigital number, since it uses as much as digits as its factorization.

23819388077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506795538.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 23819388077 in words is "twenty-three billion, eight hundred nineteen million, three hundred eighty-eight thousand, seventy-seven".