123101004000 has 192 divisors, whose sum is σ = 434300892480. Its totient is φ = 30301747200.

The previous prime is 123101003923. The next prime is 123101004017. The reversal of 123101004000 is 400101321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 238555 + ... + 550554.

It is an arithmetic number, because the mean of its divisors is an integer number (2261983815).

Almost surely, 2^123101004000 is an apocalyptic number.

123101004000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123101004000 is an abundant number, since it is smaller than the sum of its proper divisors (311199888480).

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

123101004000 is a wasteful number, since it uses less digits than its factorization.

123101004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789150 (or 789132 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 123101004000 its reverse (400101321), we get a palindrome (123501105321).

The spelling of 123101004000 in words is "one hundred twenty-three billion, one hundred one million, four thousand".