115123020000 has 240 divisors, whose sum is σ = 378181343232. Its totient is φ = 30654400000.

The previous prime is 115123019959. The next prime is 115123020007. The reversal of 115123020000 is 20321511.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115123020007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69059167 + ... + 69060833.

Almost surely, 2^115123020000 is an apocalyptic number.

115123020000 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 115123020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189090671616).

115123020000 is an abundant number, since it is smaller than the sum of its proper divisors (263058323232).

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

115123020000 is a wasteful number, since it uses less digits than its factorization.

115123020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 115123020000 its reverse (20321511), we get a palindrome (115143341511).

The spelling of 115123020000 in words is "one hundred fifteen billion, one hundred twenty-three million, twenty thousand".