23039999947 has 4 divisors (see below), whose sum is σ = 23042283840. Its totient is φ = 23037716056.

The previous prime is 23039999933. The next prime is 23040000029. The reversal of 23039999947 is 74999993032.

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 23039999947 - 2¹¹ = 23039997899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23039999347) 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, 1126747 + ... + 1147012.

It is an arithmetic number, because the mean of its divisors is an integer number (5760570960).

Almost surely, 2^23039999947 is an apocalyptic number.

23039999947 is a deficient number, since it is larger than the sum of its proper divisors (2283893).

23039999947 is a wasteful number, since it uses less digits than its factorization.

23039999947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283892.

The product of its (nonzero) digits is 29760696, while the sum is 64.

The spelling of 23039999947 in words is "twenty-three billion, thirty-nine million, nine hundred ninety-nine thousand, nine hundred forty-seven".