1543225323 has 12 divisors (see below), whose sum is σ = 2106606120. Its totient is φ = 1004887296.

The previous prime is 1543225289. The next prime is 1543225427. The reversal of 1543225323 is 3235223451.

It is not a de Polignac number, because 1543225323 - 2⁶ = 1543225259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1543225823) 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, 133558 + ... + 144651.

It is an arithmetic number, because the mean of its divisors is an integer number (175550510).

Almost surely, 2^1543225323 is an apocalyptic number.

1543225323 is a deficient number, since it is larger than the sum of its proper divisors (563380797).

1543225323 is an equidigital number, since it uses as much as digits as its factorization.

1543225323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278298 (or 278255 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 1543225323 is about 39283.9066667255. The cubic root of 1543225323 is about 1155.6059794958.

Adding to 1543225323 its reverse (3235223451), we get a palindrome (4778448774).

It can be divided in two parts, 15432 and 25323, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 1543225323 in words is "one billion, five hundred forty-three million, two hundred twenty-five thousand, three hundred twenty-three".