1305423065407 has 2 divisors, whose sum is σ = 1305423065408. Its totient is φ = 1305423065406.

The previous prime is 1305423065327. The next prime is 1305423065431. The reversal of 1305423065407 is 7045603245031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1305423065407 - 2³⁹ = 755667251519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1305423065407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305423065467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652711532703 + 652711532704.

It is an arithmetic number, because the mean of its divisors is an integer number (652711532704).

Almost surely, 2^{1305423065407} is an apocalyptic number.

1305423065407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305423065407 is an equidigital number, since it uses as much as digits as its factorization.

1305423065407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 1305423065407 in words is "one trillion, three hundred five billion, four hundred twenty-three million, sixty-five thousand, four hundred seven".