117001905423 has 12 divisors (see below), whose sum is σ = 168925828680. Its totient is φ = 72001172256.

The previous prime is 117001905409. The next prime is 117001905469. The reversal of 117001905423 is 324509100711.

It is not a de Polignac number, because 117001905423 - 2⁶ = 117001905359 is a prime.

It is a super-2 number, since 2×117001905423² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117001905473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115385988 + ... + 115387001.

It is an arithmetic number, because the mean of its divisors is an integer number (14077152390).

Almost surely, 2^117001905423 is an apocalyptic number.

117001905423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

117001905423 is a deficient number, since it is larger than the sum of its proper divisors (51923923257).

117001905423 is a wasteful number, since it uses less digits than its factorization.

117001905423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230773018 (or 230773005 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 117001905423 in words is "one hundred seventeen billion, one million, nine hundred five thousand, four hundred twenty-three".