212320310323 has 16 divisors (see below), whose sum is σ = 249874302816. Its totient is φ = 178236797440.

The previous prime is 212320310291. The next prime is 212320310327. The reversal of 212320310323 is 323013023212.

It is a cyclic number.

It is not a de Polignac number, because 212320310323 - 2⁵ = 212320310291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212320310294 and 212320310303.

It is not an unprimeable number, because it can be changed into a prime (212320310327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10701436 + ... + 10721257.

It is an arithmetic number, because the mean of its divisors is an integer number (15617143926).

Almost surely, 2^212320310323 is an apocalyptic number.

212320310323 is a deficient number, since it is larger than the sum of its proper divisors (37553992493).

212320310323 is a wasteful number, since it uses less digits than its factorization.

212320310323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21422774.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212320310323 its reverse (323013023212), we get a palindrome (535333333535).

The spelling of 212320310323 in words is "two hundred twelve billion, three hundred twenty million, three hundred ten thousand, three hundred twenty-three".