123451104000 has 288 divisors, whose sum is σ = 468622941696. Its totient is φ = 28217241600.

The previous prime is 123451103983. The next prime is 123451104011. The reversal of 123451104000 is 401154321.

123451104000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 580147 + ... + 763853.

It is an arithmetic number, because the mean of its divisors is an integer number (1627162992).

Almost surely, 2^123451104000 is an apocalyptic number.

123451104000 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 123451104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234311470848).

123451104000 is an abundant number, since it is smaller than the sum of its proper divisors (345171837696).

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

123451104000 is an equidigital number, since it uses as much as digits as its factorization.

123451104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183748 (or 183724 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 123451104000 its reverse (401154321), we get a palindrome (123852258321).

The spelling of 123451104000 in words is "one hundred twenty-three billion, four hundred fifty-one million, one hundred four thousand".