213335123 has 12 divisors (see below), whose sum is σ = 219191280. Its totient is φ = 207626016.

The previous prime is 213335113. The next prime is 213335131. The reversal of 213335123 is 321533312.

It is not a de Polignac number, because 213335123 - 2¹⁴ = 213318739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213335113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485738 + ... + 486176.

It is an arithmetic number, because the mean of its divisors is an integer number (18265940).

Almost surely, 2^213335123 is an apocalyptic number.

213335123 is a deficient number, since it is larger than the sum of its proper divisors (5856157).

213335123 is an equidigital number, since it uses as much as digits as its factorization.

213335123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 665 counting only the distinct ones).

The product of its digits is 1620, while the sum is 23.

The square root of 213335123 is about 14605.9961317262. The cubic root of 213335123 is about 597.5223037489.

Adding to 213335123 its reverse (321533312), we get a palindrome (534868435).

The spelling of 213335123 in words is "two hundred thirteen million, three hundred thirty-five thousand, one hundred twenty-three".