23013637219 has 2 divisors, whose sum is σ = 23013637220. Its totient is φ = 23013637218.

The previous prime is 23013637211. The next prime is 23013637223. The reversal of 23013637219 is 91273631032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23013637219 - 2³ = 23013637211 is a prime.

It is a super-2 number, since 2×23013637219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23013637211) 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 as a sum of consecutive naturals, namely, 11506818609 + 11506818610.

It is an arithmetic number, because the mean of its divisors is an integer number (11506818610).

Almost surely, 2^23013637219 is an apocalyptic number.

23013637219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013637219 is an equidigital number, since it uses as much as digits as its factorization.

23013637219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The spelling of 23013637219 in words is "twenty-three billion, thirteen million, six hundred thirty-seven thousand, two hundred nineteen".