1043142423847 has 2 divisors, whose sum is σ = 1043142423848. Its totient is φ = 1043142423846.

The previous prime is 1043142423823. The next prime is 1043142423857. The reversal of 1043142423847 is 7483242413401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1043142423847 - 2²³ = 1043134035239 is a prime.

It is a super-2 number, since 2×1043142423847² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043142423857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521571211923 + 521571211924.

It is an arithmetic number, because the mean of its divisors is an integer number (521571211924).

Almost surely, 2^{1043142423847} is an apocalyptic number.

1043142423847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043142423847 is an equidigital number, since it uses as much as digits as its factorization.

1043142423847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 1043142423847 in words is "one trillion, forty-three billion, one hundred forty-two million, four hundred twenty-three thousand, eight hundred forty-seven".