23425526917 has 8 divisors (see below), whose sum is σ = 25573073624. Its totient is φ = 21327349248.

The previous prime is 23425526909. The next prime is 23425526921. The reversal of 23425526917 is 71962552432.

It is a Cunningham number, because it is equal to 153054²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 23425526916 = 1^2 + 153054^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23425526917 - 2³ = 23425526909 is a prime.

It is a super-2 number, since 2×23425526917² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23425526947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12341268 + ... + 12343165.

It is an arithmetic number, because the mean of its divisors is an integer number (3196634203).

Almost surely, 2^23425526917 is an apocalyptic number.

It is an amenable number.

23425526917 is a deficient number, since it is larger than the sum of its proper divisors (2147546707).

23425526917 is a wasteful number, since it uses less digits than its factorization.

23425526917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24684519.

The product of its digits is 907200, while the sum is 46.

The spelling of 23425526917 in words is "twenty-three billion, four hundred twenty-five million, five hundred twenty-six thousand, nine hundred seventeen".