123740326135 has 8 divisors (see below), whose sum is σ = 152110059696. Its totient is φ = 96577815360.

The previous prime is 123740326111. The next prime is 123740326141. The reversal of 123740326135 is 531623047321.

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

It is not a de Polignac number, because 123740326135 - 2⁵ = 123740326103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123740326094 and 123740326103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301805469 + ... + 301805878.

It is an arithmetic number, because the mean of its divisors is an integer number (19013757462).

Almost surely, 2^123740326135 is an apocalyptic number.

123740326135 is a deficient number, since it is larger than the sum of its proper divisors (28369733561).

123740326135 is an equidigital number, since it uses as much as digits as its factorization.

123740326135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603611393.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 123740326135 in words is "one hundred twenty-three billion, seven hundred forty million, three hundred twenty-six thousand, one hundred thirty-five".