1323420319 has 8 divisors (see below), whose sum is σ = 1500233840. Its totient is φ = 1157322816.

The previous prime is 1323420317. The next prime is 1323420337. The reversal of 1323420319 is 9130243231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323420319 - 2¹ = 1323420317 is a prime.

It is a super-2 number, since 2×1323420319² = 3502882681484123522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323420311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678742 + ... + 2679235.

It is an arithmetic number, because the mean of its divisors is an integer number (187529230).

Almost surely, 2^1323420319 is an apocalyptic number.

1323420319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1323420319 is a deficient number, since it is larger than the sum of its proper divisors (176813521).

1323420319 is a wasteful number, since it uses less digits than its factorization.

1323420319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358009.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1323420319 is about 36378.8443879131. The cubic root of 1323420319 is about 1097.9079573654.

The spelling of 1323420319 in words is "one billion, three hundred twenty-three million, four hundred twenty thousand, three hundred nineteen".