23820757099 has 4 divisors (see below), whose sum is σ = 23821677880. Its totient is φ = 23819836320.

The previous prime is 23820757087. The next prime is 23820757111. The reversal of 23820757099 is 99075702832.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23820757087) and next prime (23820757111).

It is a cyclic number.

It is not a de Polignac number, because 23820757099 - 2¹⁵ = 23820724331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23820751099) 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, 420429 + ... + 473710.

It is an arithmetic number, because the mean of its divisors is an integer number (5955419470).

Almost surely, 2^23820757099 is an apocalyptic number.

23820757099 is a deficient number, since it is larger than the sum of its proper divisors (920781).

23820757099 is an equidigital number, since it uses as much as digits as its factorization.

23820757099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920780.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 23820757099 in words is "twenty-three billion, eight hundred twenty million, seven hundred fifty-seven thousand, ninety-nine".