123546155155 has 8 divisors (see below), whose sum is σ = 150468153552. Its totient is φ = 97361745888.

The previous prime is 123546155107. The next prime is 123546155207. The reversal of 123546155155 is 551551645321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123546155155 - 2²⁵ = 123512600723 is a prime.

It is a Duffinian 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, 184396912 + ... + 184397581.

It is an arithmetic number, because the mean of its divisors is an integer number (18808519194).

Almost surely, 2^123546155155 is an apocalyptic number.

123546155155 is a deficient number, since it is larger than the sum of its proper divisors (26921998397).

123546155155 is an equidigital number, since it uses as much as digits as its factorization.

123546155155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368794565.

The product of its digits is 450000, while the sum is 43.

The spelling of 123546155155 in words is "one hundred twenty-three billion, five hundred forty-six million, one hundred fifty-five thousand, one hundred fifty-five".