1340047562923 has 2 divisors, whose sum is σ = 1340047562924. Its totient is φ = 1340047562922.

The previous prime is 1340047562837. The next prime is 1340047562933. The reversal of 1340047562923 is 3292657400431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340047562923 - 2¹⁷ = 1340047431851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340047562933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670023781461 + 670023781462.

It is an arithmetic number, because the mean of its divisors is an integer number (670023781462).

Almost surely, 2^{1340047562923} is an apocalyptic number.

1340047562923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340047562923 is an equidigital number, since it uses as much as digits as its factorization.

1340047562923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 1340047562923 in words is "one trillion, three hundred forty billion, forty-seven million, five hundred sixty-two thousand, nine hundred twenty-three".