123001001115040 has 96 divisors (see below), whose sum is σ = 298080245695680. Its totient is φ = 47935435622400.

The previous prime is 123001001114951. The next prime is 123001001115053. The reversal of 123001001115040 is 40511100100321.

It is a junction number, because it is equal to n+sod(n) for n = 123001001114999 and 123001001115017.

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, 7838326 + ... + 17534005.

It is an arithmetic number, because the mean of its divisors is an integer number (3105002559330).

Almost surely, 2^{123001001115040} is an apocalyptic number.

123001001115040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123001001115040 is an abundant number, since it is smaller than the sum of its proper divisors (175079244580640).

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

123001001115040 is a wasteful number, since it uses less digits than its factorization.

123001001115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25373126 (or 25373118 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 123001001115040 its reverse (40511100100321), we get a palindrome (163512101215361).

The spelling of 123001001115040 in words is "one hundred twenty-three trillion, one billion, one million, one hundred fifteen thousand, forty".