245211323 has 4 divisors (see below), whose sum is σ = 280241520. Its totient is φ = 210181128.

The previous prime is 245211311. The next prime is 245211341. The reversal of 245211323 is 323112542.

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 245211323 - 2²⁰ = 244162747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245211353) 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, 17515088 + ... + 17515101.

It is an arithmetic number, because the mean of its divisors is an integer number (70060380).

Almost surely, 2^245211323 is an apocalyptic number.

245211323 is a deficient number, since it is larger than the sum of its proper divisors (35030197).

245211323 is an equidigital number, since it uses as much as digits as its factorization.

245211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35030196.

The product of its digits is 1440, while the sum is 23.

The square root of 245211323 is about 15659.2248531018. The cubic root of 245211323 is about 625.9123298920.

Adding to 245211323 its reverse (323112542), we get a palindrome (568323865).

The spelling of 245211323 in words is "two hundred forty-five million, two hundred eleven thousand, three hundred twenty-three".