1323145203346 has 4 divisors (see below), whose sum is σ = 1984717805022. Its totient is φ = 661572601672.

The previous prime is 1323145203301. The next prime is 1323145203371. The reversal of 1323145203346 is 6433025413231.

It is a happy number.

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., 772885381321 + 550259822025 = 879139^2 + 741795^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 330786300835 + ... + 330786300838.

Almost surely, 2^{1323145203346} is an apocalyptic number.

1323145203346 is a deficient number, since it is larger than the sum of its proper divisors (661572601676).

1323145203346 is an equidigital number, since it uses as much as digits as its factorization.

1323145203346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661572601675.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 1323145203346 in words is "one trillion, three hundred twenty-three billion, one hundred forty-five million, two hundred three thousand, three hundred forty-six".