1243323325 has 24 divisors (see below), whose sum is σ = 1564185600. Its totient is φ = 980242560.

The previous prime is 1243323313. The next prime is 1243323337. The reversal of 1243323325 is 5233233421.

It is an interprime number because it is at equal distance from previous prime (1243323313) and next prime (1243323337).

It is a de Polignac number, because none of the positive numbers 2^k-1243323325 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1243323293 and 1243323302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 851446 + ... + 852904.

It is an arithmetic number, because the mean of its divisors is an integer number (65174400).

Almost surely, 2^1243323325 is an apocalyptic number.

It is an amenable number.

1243323325 is a deficient number, since it is larger than the sum of its proper divisors (320862275).

1243323325 is a wasteful number, since it uses less digits than its factorization.

1243323325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941 (or 1936 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 1243323325 is about 35260.7901925070. The cubic root of 1243323325 is about 1075.2959920469.

Adding to 1243323325 its reverse (5233233421), we get a palindrome (6476556746).

The spelling of 1243323325 in words is "one billion, two hundred forty-three million, three hundred twenty-three thousand, three hundred twenty-five".