1440452545423 has 2 divisors, whose sum is σ = 1440452545424. Its totient is φ = 1440452545422.

The previous prime is 1440452545417. The next prime is 1440452545451. The reversal of 1440452545423 is 3245452540441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440452545423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1440452545423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440452545823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720226272711 + 720226272712.

It is an arithmetic number, because the mean of its divisors is an integer number (720226272712).

Almost surely, 2^{1440452545423} is an apocalyptic number.

1440452545423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440452545423 is an equidigital number, since it uses as much as digits as its factorization.

1440452545423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 1440452545423 in words is "one trillion, four hundred forty billion, four hundred fifty-two million, five hundred forty-five thousand, four hundred twenty-three".