123420881484 has 72 divisors (see below), whose sum is σ = 330382830960. Its totient is φ = 38714360832.

The previous prime is 123420881483. The next prime is 123420881489. The reversal of 123420881484 is 484188024321.

123420881484 is a `hidden beast` number, since 1 + 2 + 3 + 420 + 88 + 148 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (123420881483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5762307 + ... + 5783685.

It is an arithmetic number, because the mean of its divisors is an integer number (4588650430).

Almost surely, 2^123420881484 is an apocalyptic number.

It is an amenable number.

123420881484 is an abundant number, since it is smaller than the sum of its proper divisors (206961949476).

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

123420881484 is a wasteful number, since it uses less digits than its factorization.

123420881484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30839 (or 30834 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 123420881484 in words is "one hundred twenty-three billion, four hundred twenty million, eight hundred eighty-one thousand, four hundred eighty-four".