123881511076150 has 48 divisors (see below), whose sum is σ = 243653781909888. Its totient is φ = 46784520288000.

The previous prime is 123881511076117. The next prime is 123881511076163. The reversal of 123881511076150 is 51670115188321.

It is a junction number, because it is equal to n+sod(n) for n = 123881511076094 and 123881511076103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 974613957 + ... + 974741056.

It is an arithmetic number, because the mean of its divisors is an integer number (5076120456456).

Almost surely, 2^{123881511076150} is an apocalyptic number.

123881511076150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123881511076150 is a deficient number, since it is larger than the sum of its proper divisors (119772270833738).

123881511076150 is a wasteful number, since it uses less digits than its factorization.

123881511076150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949355097 (or 1949355092 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 49.

The spelling of 123881511076150 in words is "one hundred twenty-three trillion, eight hundred eighty-one billion, five hundred eleven million, seventy-six thousand, one hundred fifty".