23140828857 has 32 divisors (see below), whose sum is σ = 31697879040. Its totient is φ = 15011821440.

The previous prime is 23140828831. The next prime is 23140828871. The reversal of 23140828857 is 75882804132.

It is not a de Polignac number, because 23140828857 - 2¹² = 23140824761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23140828457) 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 31 ways as a sum of consecutive naturals, for example, 20605698 + ... + 20606820.

It is an arithmetic number, because the mean of its divisors is an integer number (990558720).

Almost surely, 2^23140828857 is an apocalyptic number.

It is an amenable number.

23140828857 is a deficient number, since it is larger than the sum of its proper divisors (8557050183).

23140828857 is a wasteful number, since it uses less digits than its factorization.

23140828857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 23140828857 in words is "twenty-three billion, one hundred forty million, eight hundred twenty-eight thousand, eight hundred fifty-seven".