2231451323 has 2 divisors, whose sum is σ = 2231451324. Its totient is φ = 2231451322.

The previous prime is 2231451319. The next prime is 2231451349. The reversal of 2231451323 is 3231541322.

It is a happy number.

It is an a-pointer prime, because the next prime (2231451349) can be obtained adding 2231451323 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231451323 - 2² = 2231451319 is a prime.

It is a super-3 number, since 3×2231451323³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231451292 and 2231451301.

It is not a weakly prime, because it can be changed into another prime (2231457323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115725661 + 1115725662.

It is an arithmetic number, because the mean of its divisors is an integer number (1115725662).

Almost surely, 2^2231451323 is an apocalyptic number.

2231451323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231451323 is an equidigital number, since it uses as much as digits as its factorization.

2231451323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 2231451323 is about 47238.2400497732. The cubic root of 2231451323 is about 1306.7599206390.

Adding to 2231451323 its reverse (3231541322), we get a palindrome (5462992645).

It can be divided in two parts, 22314 and 51323, that added together give a palindrome (73637).

The spelling of 2231451323 in words is "two billion, two hundred thirty-one million, four hundred fifty-one thousand, three hundred twenty-three".