210122231323 has 4 divisors (see below), whose sum is σ = 213566858128. Its totient is φ = 206677604520.

The previous prime is 210122231321. The next prime is 210122231327. The reversal of 210122231323 is 323132221012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210122231323 - 2¹ = 210122231321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210122231294 and 210122231303.

It is not an unprimeable number, because it can be changed into a prime (210122231321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722313311 + ... + 1722313432.

It is an arithmetic number, because the mean of its divisors is an integer number (53391714532).

Almost surely, 2^210122231323 is an apocalyptic number.

210122231323 is a deficient number, since it is larger than the sum of its proper divisors (3444626805).

210122231323 is an equidigital number, since it uses as much as digits as its factorization.

210122231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444626804.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 210122231323 its reverse (323132221012), we get a palindrome (533254452335).

The spelling of 210122231323 in words is "two hundred ten billion, one hundred twenty-two million, two hundred thirty-one thousand, three hundred twenty-three".