1323103250 has 128 divisors (see below), whose sum is σ = 3026350080. Its totient is φ = 423864000.

The previous prime is 1323103231. The next prime is 1323103259. The reversal of 1323103250 is 523013231.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323103259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42680735 + ... + 42680765.

It is an arithmetic number, because the mean of its divisors is an integer number (23643360).

Almost surely, 2^1323103250 is an apocalyptic number.

1323103250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323103250 is an abundant number, since it is smaller than the sum of its proper divisors (1703246830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323103250 is an frugal number, since it uses more digits than its factorization.

1323103250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1323103250 is about 36374.4862506675. The cubic root of 1323103250 is about 1097.8202703377.

Adding to 1323103250 its reverse (523013231), we get a palindrome (1846116481).

The spelling of 1323103250 in words is "one billion, three hundred twenty-three million, one hundred three thousand, two hundred fifty".