23417572417 has 4 divisors (see below), whose sum is σ = 23859413460. Its totient is φ = 22975731376.

The previous prime is 23417572397. The next prime is 23417572459. The reversal of 23417572417 is 71427571432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15607255041 + 7810317376 = 124929^2 + 88376^2 .

It is a cyclic number.

It is not a de Polignac number, because 23417572417 - 2¹⁹ = 23417048129 is a prime.

It is a super-3 number, since 3×23417572417³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23417572117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220920442 + ... + 220920547.

It is an arithmetic number, because the mean of its divisors is an integer number (5964853365).

Almost surely, 2^23417572417 is an apocalyptic number.

It is an amenable number.

23417572417 is a deficient number, since it is larger than the sum of its proper divisors (441841043).

23417572417 is an equidigital number, since it uses as much as digits as its factorization.

23417572417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441841042.

The product of its digits is 329280, while the sum is 43.

The spelling of 23417572417 in words is "twenty-three billion, four hundred seventeen million, five hundred seventy-two thousand, four hundred seventeen".