1540377314423 has 2 divisors, whose sum is σ = 1540377314424. Its totient is φ = 1540377314422.

The previous prime is 1540377314417. The next prime is 1540377314461. The reversal of 1540377314423 is 3244137730451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1540377314423 - 2¹⁰ = 1540377313399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1540377314323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770188657211 + 770188657212.

It is an arithmetic number, because the mean of its divisors is an integer number (770188657212).

Almost surely, 2^{1540377314423} is an apocalyptic number.

1540377314423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540377314423 is an equidigital number, since it uses as much as digits as its factorization.

1540377314423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 1540377314423 in words is "one trillion, five hundred forty billion, three hundred seventy-seven million, three hundred fourteen thousand, four hundred twenty-three".