23043864619 has 4 divisors (see below), whose sum is σ = 23127055744. Its totient is φ = 22960673496.

The previous prime is 23043864617. The next prime is 23043864673. The reversal of 23043864619 is 91646834032.

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 23043864619 - 2¹ = 23043864617 is a prime.

It is a super-2 number, since 2×23043864619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23043864617) 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, 41595147 + ... + 41595700.

It is an arithmetic number, because the mean of its divisors is an integer number (5781763936).

Almost surely, 2^23043864619 is an apocalyptic number.

23043864619 is a deficient number, since it is larger than the sum of its proper divisors (83191125).

23043864619 is an equidigital number, since it uses as much as digits as its factorization.

23043864619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83191124.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 23043864619 in words is "twenty-three billion, forty-three million, eight hundred sixty-four thousand, six hundred nineteen".