23315194747 has 24 divisors (see below), whose sum is σ = 26573902656. Its totient is φ = 20331938304.

The previous prime is 23315194729. The next prime is 23315194751. The reversal of 23315194747 is 74749151332.

It is not a de Polignac number, because 23315194747 - 2²³ = 23306806139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23315194697 and 23315194706.

It is not an unprimeable number, because it can be changed into a prime (23315194547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1715563 + ... + 1729099.

It is an arithmetic number, because the mean of its divisors is an integer number (1107245944).

Almost surely, 2^23315194747 is an apocalyptic number.

23315194747 is a deficient number, since it is larger than the sum of its proper divisors (3258707909).

23315194747 is a wasteful number, since it uses less digits than its factorization.

23315194747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13955 (or 13936 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The spelling of 23315194747 in words is "twenty-three billion, three hundred fifteen million, one hundred ninety-four thousand, seven hundred forty-seven".