1323151450 has 48 divisors (see below), whose sum is σ = 2660677920. Its totient is φ = 487840320.

The previous prime is 1323151433. The next prime is 1323151457. The reversal of 1323151450 is 541513231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1323151457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16329 + ... + 53971.

It is an arithmetic number, because the mean of its divisors is an integer number (55430790).

Almost surely, 2^1323151450 is an apocalyptic number.

1323151450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323151450 is an abundant number, since it is smaller than the sum of its proper divisors (1337526470).

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

1323151450 is a wasteful number, since it uses less digits than its factorization.

1323151450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37711 (or 37706 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1323151450 is about 36375.1487969465. The cubic root of 1323151450 is about 1097.8336011931.

Adding to 1323151450 its reverse (541513231), we get a palindrome (1864664681).

The spelling of 1323151450 in words is "one billion, three hundred twenty-three million, one hundred fifty-one thousand, four hundred fifty".