1345191323 has 8 divisors (see below), whose sum is σ = 1538185440. Its totient is φ = 1152403200.

The previous prime is 1345191319. The next prime is 1345191329. The reversal of 1345191323 is 3231915431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345191323 - 2² = 1345191319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345191323.

It is not an unprimeable number, because it can be changed into a prime (1345191329) 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, 37238 + ... + 63851.

It is an arithmetic number, because the mean of its divisors is an integer number (192273180).

Almost surely, 2^1345191323 is an apocalyptic number.

1345191323 is a deficient number, since it is larger than the sum of its proper divisors (192994117).

1345191323 is a wasteful number, since it uses less digits than its factorization.

1345191323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102997.

The product of its digits is 9720, while the sum is 32.

The square root of 1345191323 is about 36676.8499601588. The cubic root of 1345191323 is about 1103.8956426926.

The spelling of 1345191323 in words is "one billion, three hundred forty-five million, one hundred ninety-one thousand, three hundred twenty-three".