23251342782879 has 6 divisors (see below), whose sum is σ = 33585272908616. Its totient is φ = 15500895188580.

The previous prime is 23251342782869. The next prime is 23251342782917. The reversal of 23251342782879 is 97828724315232.

It is a happy number.

23251342782879 is a `hidden beast` number, since 2 + 3 + 2 + 5 + 1 + 342 + 7 + 8 + 287 + 9 = 666.

It is not a de Polignac number, because 23251342782879 - 2⁷ = 23251342782751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251342782869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1291741265707 + ... + 1291741265724.

Almost surely, 2^{23251342782879} is an apocalyptic number.

23251342782879 is a deficient number, since it is larger than the sum of its proper divisors (10333930125737).

23251342782879 is a wasteful number, since it uses less digits than its factorization.

23251342782879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583482531437 (or 2583482531434 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 23251342782879 in words is "twenty-three trillion, two hundred fifty-one billion, three hundred forty-two million, seven hundred eighty-two thousand, eight hundred seventy-nine".