123442004000 has 96 divisors (see below), whose sum is σ = 346625225856. Its totient is φ = 42322963200.

The previous prime is 123442003987. The next prime is 123442004029. The reversal of 123442004000 is 400244321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2176322 + ... + 2232321.

It is an arithmetic number, because the mean of its divisors is an integer number (3610679436).

Almost surely, 2^123442004000 is an apocalyptic number.

123442004000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123442004000 is an abundant number, since it is smaller than the sum of its proper divisors (223183221856).

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

123442004000 is an equidigital number, since it uses as much as digits as its factorization.

123442004000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408675 (or 4408657 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 123442004000 its reverse (400244321), we get a palindrome (123842248321).

The spelling of 123442004000 in words is "one hundred twenty-three billion, four hundred forty-two million, four thousand".