323631404052 has 96 divisors (see below), whose sum is σ = 852434513280. Its totient is φ = 94661844480.

The previous prime is 323631404051. The next prime is 323631404077. The reversal of 323631404052 is 250404136323.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323631404051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16730178 + ... + 16749510.

It is an arithmetic number, because the mean of its divisors is an integer number (8879526180).

Almost surely, 2^323631404052 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 323631404052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426217256640).

323631404052 is an abundant number, since it is smaller than the sum of its proper divisors (528803109228).

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

323631404052 is a wasteful number, since it uses less digits than its factorization.

323631404052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23753 (or 23751 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 323631404052 in words is "three hundred twenty-three billion, six hundred thirty-one million, four hundred four thousand, fifty-two".