123103487619072 has 208 divisors, whose sum is σ = 364731846561280. Its totient is φ = 41031649640448.

The previous prime is 123103487619059. The next prime is 123103487619089. The reversal of 123103487619072 is 270916784301321.

123103487619072 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 0 + 3 + 487 + 6 + 1 + 90 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121457323 + ... + 2121515349.

Almost surely, 2^{123103487619072} is an apocalyptic number.

123103487619072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123103487619072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182365923280640).

123103487619072 is an abundant number, since it is smaller than the sum of its proper divisors (241628358942208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123103487619072 is an equidigital number, since it uses as much as digits as its factorization.

123103487619072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77243 (or 77215 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 123103487619072 in words is "one hundred twenty-three trillion, one hundred three billion, four hundred eighty-seven million, six hundred nineteen thousand, seventy-two".