23199987059 has 4 divisors (see below), whose sum is σ = 23203697616. Its totient is φ = 23196276504.

The previous prime is 23199987029. The next prime is 23199987061. The reversal of 23199987059 is 95078999132.

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

It is a cyclic number.

It is not a de Polignac number, because 23199987059 - 2¹⁶ = 23199921523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23199986992 and 23199987010.

It is not an unprimeable number, because it can be changed into a prime (23199987029) 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, 1845884 + ... + 1858409.

It is an arithmetic number, because the mean of its divisors is an integer number (5800924404).

Almost surely, 2^23199987059 is an apocalyptic number.

23199987059 is a deficient number, since it is larger than the sum of its proper divisors (3710557).

23199987059 is an equidigital number, since it uses as much as digits as its factorization.

23199987059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710556.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 23199987059 in words is "twenty-three billion, one hundred ninety-nine million, nine hundred eighty-seven thousand, fifty-nine".