2005251323 has 2 divisors, whose sum is σ = 2005251324. Its totient is φ = 2005251322.

The previous prime is 2005251319. The next prime is 2005251361. The reversal of 2005251323 is 3231525002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005251323 - 2² = 2005251319 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005251373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002625661 + 1002625662.

It is an arithmetic number, because the mean of its divisors is an integer number (1002625662).

Almost surely, 2^2005251323 is an apocalyptic number.

2005251323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005251323 is an equidigital number, since it uses as much as digits as its factorization.

2005251323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2005251323 is about 44780.0326373262. The cubic root of 2005251323 is about 1261.0227949182.

Adding to 2005251323 its reverse (3231525002), we get a palindrome (5236776325).

The spelling of 2005251323 in words is "two billion, five million, two hundred fifty-one thousand, three hundred twenty-three".