23028679179557 has 2 divisors, whose sum is σ = 23028679179558. Its totient is φ = 23028679179556.

The previous prime is 23028679179533. The next prime is 23028679179613. The reversal of 23028679179557 is 75597197682032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13265810235076 + 9762868944481 = 3642226^2 + 3124559^2 .

It is a cyclic number.

It is not a de Polignac number, because 23028679179557 - 2²⁰ = 23028678130981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23028679173557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11514339589778 + 11514339589779.

It is an arithmetic number, because the mean of its divisors is an integer number (11514339589779).

Almost surely, 2^{23028679179557} is an apocalyptic number.

It is an amenable number.

23028679179557 is a deficient number, since it is larger than the sum of its proper divisors (1).

23028679179557 is an equidigital number, since it uses as much as digits as its factorization.

23028679179557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400075200, while the sum is 71.

The spelling of 23028679179557 in words is "twenty-three trillion, twenty-eight billion, six hundred seventy-nine million, one hundred seventy-nine thousand, five hundred fifty-seven".