123695122407 has 16 divisors (see below), whose sum is σ = 174637780992. Its totient is φ = 77608460160.

The previous prime is 123695122399. The next prime is 123695122451. The reversal of 123695122407 is 704221596321.

It is a happy number.

It is not a de Polignac number, because 123695122407 - 2³ = 123695122399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123695122477) 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 15 ways as a sum of consecutive naturals, for example, 1095258 + ... + 1202904.

It is an arithmetic number, because the mean of its divisors is an integer number (10914861312).

Almost surely, 2^123695122407 is an apocalyptic number.

123695122407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

123695122407 is a deficient number, since it is larger than the sum of its proper divisors (50942658585).

123695122407 is a wasteful number, since it uses less digits than its factorization.

123695122407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130198.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 123695122407 in words is "one hundred twenty-three billion, six hundred ninety-five million, one hundred twenty-two thousand, four hundred seven".