23016491393 has 8 divisors (see below), whose sum is σ = 27211615680. Its totient is φ = 19048130640.

The previous prime is 23016491389. The next prime is 23016491411. The reversal of 23016491393 is 39319461032.

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

It is not a de Polignac number, because 23016491393 - 2² = 23016491389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23016491393.

It is not an unprimeable number, because it can be changed into a prime (23016491893) 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, 56690663 + ... + 56691068.

It is an arithmetic number, because the mean of its divisors is an integer number (3401451960).

Almost surely, 2^23016491393 is an apocalyptic number.

It is an amenable number.

23016491393 is a deficient number, since it is larger than the sum of its proper divisors (4195124287).

23016491393 is a wasteful number, since it uses less digits than its factorization.

23016491393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113381767.

The product of its (nonzero) digits is 104976, while the sum is 41.

The spelling of 23016491393 in words is "twenty-three billion, sixteen million, four hundred ninety-one thousand, three hundred ninety-three".