23147729379 has 12 divisors (see below), whose sum is σ = 33459025600. Its totient is φ = 15421011984.

The previous prime is 23147729321. The next prime is 23147729389. The reversal of 23147729379 is 97392774132.

It is not a de Polignac number, because 23147729379 - 2¹¹ = 23147727331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23147729309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 887059 + ... + 912780.

Almost surely, 2^23147729379 is an apocalyptic number.

23147729379 is a deficient number, since it is larger than the sum of its proper divisors (10311296221).

23147729379 is a wasteful number, since it uses less digits than its factorization.

23147729379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801274 (or 1801271 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The spelling of 23147729379 in words is "twenty-three billion, one hundred forty-seven million, seven hundred twenty-nine thousand, three hundred seventy-nine".