123039883645560 has 384 divisors, whose sum is σ = 468527664084480. Its totient is φ = 27416834049024.

The previous prime is 123039883645559. The next prime is 123039883645561. The reversal of 123039883645560 is 65546388930321.

It is a happy number.

123039883645560 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 3 + 9 + 8 + 8 + 3 + 64 + 5 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (123039883645559) and next prime (123039883645561).

It is a super-3 number, since 3×123039883645560³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123039883645561) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55586742 + ... + 57757818.

It is an arithmetic number, because the mean of its divisors is an integer number (1220124125220).

Almost surely, 2^{123039883645560} is an apocalyptic number.

123039883645560 is a gapful number since it is divisible by the number (10) 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 123039883645560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234263832042240).

123039883645560 is an abundant number, since it is smaller than the sum of its proper divisors (345487780438920).

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

123039883645560 is a wasteful number, since it uses less digits than its factorization.

123039883645560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171667 (or 2171660 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 63.

The spelling of 123039883645560 in words is "one hundred twenty-three trillion, thirty-nine billion, eight hundred eighty-three million, six hundred forty-five thousand, five hundred sixty".