1347245023 has 2 divisors, whose sum is σ = 1347245024. Its totient is φ = 1347245022.

The previous prime is 1347245021. The next prime is 1347245059. The reversal of 1347245023 is 3205427431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1347245023 - 2¹ = 1347245021 is a prime.

Together with 1347245021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1347245021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673622511 + 673622512.

It is an arithmetic number, because the mean of its divisors is an integer number (673622512).

Almost surely, 2^1347245023 is an apocalyptic number.

1347245023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347245023 is an equidigital number, since it uses as much as digits as its factorization.

1347245023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 1347245023 is about 36704.8365069237. The cubic root of 1347245023 is about 1104.4571285596.

The spelling of 1347245023 in words is "one billion, three hundred forty-seven million, two hundred forty-five thousand, twenty-three".