1234123425504 has 72 divisors (see below), whose sum is σ = 3511704865032. Its totient is φ = 411120541440.

The previous prime is 1234123425463. The next prime is 1234123425529. The reversal of 1234123425504 is 4055243214321.

It is a happy number.

1234123425504 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 123 + 4 + 25 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 854914 + ... + 1788609.

It is an arithmetic number, because the mean of its divisors is an integer number (48773678681).

Almost surely, 2^{1234123425504} is an apocalyptic number.

It is an amenable number.

1234123425504 is an abundant number, since it is smaller than the sum of its proper divisors (2277581439528).

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

1234123425504 is a wasteful number, since it uses less digits than its factorization.

1234123425504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645160 (or 2645149 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1234123425504 its reverse (4055243214321), we get a palindrome (5289366639825).

The spelling of 1234123425504 in words is "one trillion, two hundred thirty-four billion, one hundred twenty-three million, four hundred twenty-five thousand, five hundred four".