123240334195 has 8 divisors (see below), whose sum is σ = 161332801200. Its totient is φ = 89629333920.

The previous prime is 123240334183. The next prime is 123240334247. The reversal of 123240334195 is 591433042321.

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

It is not a de Polignac number, because 123240334195 - 2¹³ = 123240326003 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120366620 + ... + 1120366729.

It is an arithmetic number, because the mean of its divisors is an integer number (20166600150).

Almost surely, 2^123240334195 is an apocalyptic number.

123240334195 is a deficient number, since it is larger than the sum of its proper divisors (38092467005).

123240334195 is a wasteful number, since it uses less digits than its factorization.

123240334195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240733365.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 123240334195 in words is "one hundred twenty-three billion, two hundred forty million, three hundred thirty-four thousand, one hundred ninety-five".