123154154132 has 6 divisors (see below), whose sum is σ = 215519769738. Its totient is φ = 61577077064.

The previous prime is 123154154117. The next prime is 123154154183. The reversal of 123154154132 is 231451451321.

It can be written as a sum of positive squares in only one way, i.e., 122308275076 + 845879056 = 349726^2 + 29084^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15394269263 + ... + 15394269270.

It is an arithmetic number, because the mean of its divisors is an integer number (35919961623).

Almost surely, 2^123154154132 is an apocalyptic number.

It is an amenable number.

123154154132 is a deficient number, since it is larger than the sum of its proper divisors (92365615606).

123154154132 is a wasteful number, since it uses less digits than its factorization.

123154154132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30788538537 (or 30788538535 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The spelling of 123154154132 in words is "one hundred twenty-three billion, one hundred fifty-four million, one hundred fifty-four thousand, one hundred thirty-two".