1323941629 has 4 divisors (see below), whose sum is σ = 1324188576. Its totient is φ = 1323694684.

The previous prime is 1323941609. The next prime is 1323941639. The reversal of 1323941629 is 9261493231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9261493231 = 311 ⋅29779721.

It is a cyclic number.

It is not a de Polignac number, because 1323941629 - 2⁹ = 1323941117 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323941591 and 1323941600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323941609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115249 + ... + 126214.

It is an arithmetic number, because the mean of its divisors is an integer number (331047144).

Almost surely, 2^1323941629 is an apocalyptic number.

It is an amenable number.

1323941629 is a deficient number, since it is larger than the sum of its proper divisors (246947).

1323941629 is an equidigital number, since it uses as much as digits as its factorization.

1323941629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246946.

The product of its digits is 69984, while the sum is 40.

The square root of 1323941629 is about 36386.0086983994. The cubic root of 1323941629 is about 1098.0520978307.

The spelling of 1323941629 in words is "one billion, three hundred twenty-three million, nine hundred forty-one thousand, six hundred twenty-nine".