23016340643 has 8 divisors (see below), whose sum is σ = 23263452576. Its totient is φ = 22770547200.

The previous prime is 23016340639. The next prime is 23016340717. The reversal of 23016340643 is 34604361032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23016340643 - 2² = 23016340639 is a prime.

It is a super-2 number, since 2×23016340643² (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 (23016340943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294503 + ... + 364368.

It is an arithmetic number, because the mean of its divisors is an integer number (2907931572).

Almost surely, 2^23016340643 is an apocalyptic number.

23016340643 is a deficient number, since it is larger than the sum of its proper divisors (247111933).

23016340643 is a wasteful number, since it uses less digits than its factorization.

23016340643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659245.

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 23016340643 in words is "twenty-three billion, sixteen million, three hundred forty thousand, six hundred forty-three".