2511323 has 2 divisors, whose sum is σ = 2511324. Its totient is φ = 2511322.

The previous prime is 2511319. The next prime is 2511337. The reversal of 2511323 is 3231152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2511323 - 2² = 2511319 is a prime.

It is not a weakly prime, because it can be changed into another prime (2511343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255661 + 1255662.

It is an arithmetic number, because the mean of its divisors is an integer number (1255662).

2^2511323 is an apocalyptic number.

2511323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511323 is an equidigital number, since it uses as much as digits as its factorization.

2511323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 17.

The square root of 2511323 is about 1584.7154318678. The cubic root of 2511323 is about 135.9254745957.

Adding to 2511323 its reverse (3231152), we get a palindrome (5742475).

The spelling of 2511323 in words is "two million, five hundred eleven thousand, three hundred twenty-three".