1323849923 has 4 divisors (see below), whose sum is σ = 1444199928. Its totient is φ = 1203499920.

The previous prime is 1323849911. The next prime is 1323849929. The reversal of 1323849923 is 3299483231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3299483231 = 11 ⋅299953021.

It is a cyclic number.

It is not a de Polignac number, because 1323849923 - 2⁴ = 1323849907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323849929) 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, 60174986 + ... + 60175007.

It is an arithmetic number, because the mean of its divisors is an integer number (361049982).

Almost surely, 2^1323849923 is an apocalyptic number.

1323849923 is a deficient number, since it is larger than the sum of its proper divisors (120350005).

1323849923 is a wasteful number, since it uses less digits than its factorization.

1323849923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120350004.

The product of its digits is 279936, while the sum is 44.

The square root of 1323849923 is about 36384.7484943898. The cubic root of 1323849923 is about 1098.0267441725.

The spelling of 1323849923 in words is "one billion, three hundred twenty-three million, eight hundred forty-nine thousand, nine hundred twenty-three".