423149323500 has 288 divisors, whose sum is σ = 1364268080448. Its totient is φ = 110370124800.

The previous prime is 423149323483. The next prime is 423149323523. The reversal of 423149323500 is 5323941324.

423149323500 is a `hidden beast` number, since 4 + 2 + 3 + 149 + 3 + 2 + 3 + 500 = 666.

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

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 95 ways as a sum of consecutive naturals, for example, 82756944 + ... + 82762056.

It is an arithmetic number, because the mean of its divisors is an integer number (4737041946).

Almost surely, 2^423149323500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423149323500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682134040224).

423149323500 is an abundant number, since it is smaller than the sum of its proper divisors (941118756948).

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

423149323500 is a wasteful number, since it uses less digits than its factorization.

423149323500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538 (or 5523 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 423149323500 in words is "four hundred twenty-three billion, one hundred forty-nine million, three hundred twenty-three thousand, five hundred".