213302332123 has 4 divisors (see below), whose sum is σ = 216799091728. Its totient is φ = 209805572520.

The previous prime is 213302332049. The next prime is 213302332147. The reversal of 213302332123 is 321233203312.

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 213302332123 - 2¹³ = 213302323931 is a prime.

It is a super-2 number, since 2×213302332123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213302335123) 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, 1748379711 + ... + 1748379832.

It is an arithmetic number, because the mean of its divisors is an integer number (54199772932).

Almost surely, 2^213302332123 is an apocalyptic number.

213302332123 is a deficient number, since it is larger than the sum of its proper divisors (3496759605).

213302332123 is an equidigital number, since it uses as much as digits as its factorization.

213302332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496759604.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213302332123 its reverse (321233203312), we get a palindrome (534535535435).

The spelling of 213302332123 in words is "two hundred thirteen billion, three hundred two million, three hundred thirty-two thousand, one hundred twenty-three".