23170928399 has 12 divisors (see below), whose sum is σ = 24130218840. Its totient is φ = 22248182880.

The previous prime is 23170928381. The next prime is 23170928401. The reversal of 23170928399 is 99382907132.

It is a happy number.

It is a Cunningham number, because it is equal to 152220²-1.

It is not a de Polignac number, because 23170928399 - 2²⁴ = 23154151183 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 23170928399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23170928309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76112 + ... + 228330.

It is an arithmetic number, because the mean of its divisors is an integer number (2010851570).

Almost surely, 2^23170928399 is an apocalyptic number.

23170928399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23170928399 is a deficient number, since it is larger than the sum of its proper divisors (959290441).

23170928399 is a wasteful number, since it uses less digits than its factorization.

23170928399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152458 (or 152429 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 23170928399 in words is "twenty-three billion, one hundred seventy million, nine hundred twenty-eight thousand, three hundred ninety-nine".