1375787323 has 2 divisors, whose sum is σ = 1375787324. Its totient is φ = 1375787322.

The previous prime is 1375787293. The next prime is 1375787327. The reversal of 1375787323 is 3237875731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375787323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1375787327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687893661 + 687893662.

It is an arithmetic number, because the mean of its divisors is an integer number (687893662).

Almost surely, 2^1375787323 is an apocalyptic number.

1375787323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375787323 is an equidigital number, since it uses as much as digits as its factorization.

1375787323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 46.

The square root of 1375787323 is about 37091.6071773656. The cubic root of 1375787323 is about 1112.2022460820.

The spelling of 1375787323 in words is "one billion, three hundred seventy-five million, seven hundred eighty-seven thousand, three hundred twenty-three".