323631126 has 160 divisors (see below), whose sum is σ = 924517440. Its totient is φ = 82301184.

The previous prime is 323631109. The next prime is 323631149. The reversal of 323631126 is 621136323.

It is a happy number.

323631126 is a `hidden beast` number, since 3 + 2 + 3 + 631 + 1 + 26 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 323631126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 427140 + ... + 427896.

It is an arithmetic number, because the mean of its divisors is an integer number (5778234).

Almost surely, 2^323631126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323631126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462258720).

323631126 is an abundant number, since it is smaller than the sum of its proper divisors (600886314).

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

323631126 is a wasteful number, since it uses less digits than its factorization.

323631126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 811 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 323631126 is about 17989.7505819286. The cubic root of 323631126 is about 686.5677951191.

Adding to 323631126 its reverse (621136323), we get a palindrome (944767449).

It can be divided in two parts, 32363 and 1126, that added together give a square (33489 = 183²).

The spelling of 323631126 in words is "three hundred twenty-three million, six hundred thirty-one thousand, one hundred twenty-six".