1475309317723 has 2 divisors, whose sum is σ = 1475309317724. Its totient is φ = 1475309317722.

The previous prime is 1475309317661. The next prime is 1475309317753. The reversal of 1475309317723 is 3277139035741.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1475309317723 - 2²¹ = 1475307220571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1475309317753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737654658861 + 737654658862.

It is an arithmetic number, because the mean of its divisors is an integer number (737654658862).

Almost surely, 2^{1475309317723} is an apocalyptic number.

1475309317723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1475309317723 is an equidigital number, since it uses as much as digits as its factorization.

1475309317723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3333960, while the sum is 52.

The spelling of 1475309317723 in words is "one trillion, four hundred seventy-five billion, three hundred nine million, three hundred seventeen thousand, seven hundred twenty-three".