23194425817 has 2 divisors, whose sum is σ = 23194425818. Its totient is φ = 23194425816.

The previous prime is 23194425803. The next prime is 23194425841. The reversal of 23194425817 is 71852449132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11969235216 + 11225190601 = 109404^2 + 105949^2 .

It is a cyclic number.

It is not a de Polignac number, because 23194425817 - 2¹⁵ = 23194393049 is a prime.

It is a super-2 number, since 2×23194425817² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23194425857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11597212908 + 11597212909.

It is an arithmetic number, because the mean of its divisors is an integer number (11597212909).

Almost surely, 2^23194425817 is an apocalyptic number.

It is an amenable number.

23194425817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23194425817 is an equidigital number, since it uses as much as digits as its factorization.

23194425817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The spelling of 23194425817 in words is "twenty-three billion, one hundred ninety-four million, four hundred twenty-five thousand, eight hundred seventeen".