123132323555 has 16 divisors (see below), whose sum is σ = 155074340160. Its totient is φ = 93678338688.

The previous prime is 123132323549. The next prime is 123132323557. The reversal of 123132323555 is 555323231321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123132323555 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123132323557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3074660 + ... + 3114449.

It is an arithmetic number, because the mean of its divisors is an integer number (9692146260).

Almost surely, 2^123132323555 is an apocalyptic number.

123132323555 is a deficient number, since it is larger than the sum of its proper divisors (31942016605).

123132323555 is a wasteful number, since it uses less digits than its factorization.

123132323555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6189310.

The product of its digits is 81000, while the sum is 35.

Adding to 123132323555 its reverse (555323231321), we get a palindrome (678455554876).

The spelling of 123132323555 in words is "one hundred twenty-three billion, one hundred thirty-two million, three hundred twenty-three thousand, five hundred fifty-five".