213123023322 has 32 divisors (see below), whose sum is σ = 468389836224. Its totient is φ = 64111324800.

The previous prime is 213123023299. The next prime is 213123023353. The reversal of 213123023322 is 223320321312.

It is a junction number, because it is equal to n+sod(n) for n = 213123023292 and 213123023301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11776129 + ... + 11794212.

It is an arithmetic number, because the mean of its divisors is an integer number (14637182382).

Almost surely, 2^213123023322 is an apocalyptic number.

213123023322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213123023322 is an abundant number, since it is smaller than the sum of its proper divisors (255266812902).

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

213123023322 is a wasteful number, since it uses less digits than its factorization.

213123023322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23570494.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213123023322 its reverse (223320321312), we get a palindrome (436443344634).

The spelling of 213123023322 in words is "two hundred thirteen billion, one hundred twenty-three million, twenty-three thousand, three hundred twenty-two".