123033716040 has 128 divisors (see below), whose sum is σ = 379888081920. Its totient is φ = 31863955200.

The previous prime is 123033716017. The next prime is 123033716051. The reversal of 123033716040 is 40617330321.

It is a super-2 number, since 2×123033716040² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 123033715989 and 123033716007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463075 + ... + 678605.

It is an arithmetic number, because the mean of its divisors is an integer number (2967875640).

Almost surely, 2^123033716040 is an apocalyptic number.

123033716040 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 123033716040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189944040960).

123033716040 is an abundant number, since it is smaller than the sum of its proper divisors (256854365880).

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

123033716040 is a wasteful number, since it uses less digits than its factorization.

123033716040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215683 (or 215679 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 123033716040 in words is "one hundred twenty-three billion, thirty-three million, seven hundred sixteen thousand, forty".