1323133402 has 4 divisors (see below), whose sum is σ = 1984700106. Its totient is φ = 661566700.

The previous prime is 1323133391. The next prime is 1323133411. The reversal of 1323133402 is 2043313231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1264442481 + 58690921 = 35559^2 + 7661^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330783349 + ... + 330783352.

Almost surely, 2^1323133402 is an apocalyptic number.

1323133402 is a deficient number, since it is larger than the sum of its proper divisors (661566704).

1323133402 is an equidigital number, since it uses as much as digits as its factorization.

1323133402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661566703.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1323133402 is about 36374.9007146411. The cubic root of 1323133402 is about 1097.8286096277.

Adding to 1323133402 its reverse (2043313231), we get a palindrome (3366446633).

The spelling of 1323133402 in words is "one billion, three hundred twenty-three million, one hundred thirty-three thousand, four hundred two".