213302310221123 has 4 divisors (see below), whose sum is σ = 213646901999160. Its totient is φ = 212957718443088.

The previous prime is 213302310221111. The next prime is 213302310221129. The reversal of 213302310221123 is 321122013203312.

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 213302310221123 - 2²² = 213302306026819 is a prime.

It is a super-2 number, since 2×213302310221123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213302310221092 and 213302310221101.

It is not an unprimeable number, because it can be changed into a prime (213302310221129) 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, 172295888090 + ... + 172295889327.

It is an arithmetic number, because the mean of its divisors is an integer number (53411725499790).

Almost surely, 2^{213302310221123} is an apocalyptic number.

213302310221123 is a deficient number, since it is larger than the sum of its proper divisors (344591778037).

213302310221123 is an equidigital number, since it uses as much as digits as its factorization.

213302310221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344591778036.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 213302310221123 its reverse (321122013203312), we get a palindrome (534424323424435).

The spelling of 213302310221123 in words is "two hundred thirteen trillion, three hundred two billion, three hundred ten million, two hundred twenty-one thousand, one hundred twenty-three".