1295447723 has 2 divisors, whose sum is σ = 1295447724. Its totient is φ = 1295447722.

The previous prime is 1295447711. The next prime is 1295447729. The reversal of 1295447723 is 3277445921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1295447723 - 2¹⁴ = 1295431339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1295447729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647723861 + 647723862.

It is an arithmetic number, because the mean of its divisors is an integer number (647723862).

Almost surely, 2^1295447723 is an apocalyptic number.

1295447723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295447723 is an equidigital number, since it uses as much as digits as its factorization.

1295447723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 1295447723 is about 35992.3286687594. The cubic root of 1295447723 is about 1090.1174642649.

The spelling of 1295447723 in words is "one billion, two hundred ninety-five million, four hundred forty-seven thousand, seven hundred twenty-three".