323223231131021 has 8 divisors (see below), whose sum is σ = 348088341389880. Its totient is φ = 298358375841792.

The previous prime is 323223231130973. The next prime is 323223231131029. The reversal of 323223231131021 is 120131132322323.

It can be written as a sum of positive squares in 4 ways, for example, as 55468458721225 + 267754772409796 = 7447715^2 + 16363214^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323223231131021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323223231131029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61105460 + ... + 66184013.

It is an arithmetic number, because the mean of its divisors is an integer number (43511042673735).

Almost surely, 2^{323223231131021} is an apocalyptic number.

It is an amenable number.

323223231131021 is a deficient number, since it is larger than the sum of its proper divisors (24865110258859).

323223231131021 is a wasteful number, since it uses less digits than its factorization.

323223231131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127484815.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 323223231131021 its reverse (120131132322323), we get a palindrome (443354363453344).

The spelling of 323223231131021 in words is "three hundred twenty-three trillion, two hundred twenty-three billion, two hundred thirty-one million, one hundred thirty-one thousand, twenty-one".