1023868685843 has 2 divisors, whose sum is σ = 1023868685844. Its totient is φ = 1023868685842.

The previous prime is 1023868685831. The next prime is 1023868685857. The reversal of 1023868685843 is 3485868683201.

It is a happy number.

1023868685843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023868685843 - 2²² = 1023864491539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023868685143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511934342921 + 511934342922.

It is an arithmetic number, because the mean of its divisors is an integer number (511934342922).

Almost surely, 2^{1023868685843} is an apocalyptic number.

1023868685843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023868685843 is an equidigital number, since it uses as much as digits as its factorization.

1023868685843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53084160, while the sum is 62.

The spelling of 1023868685843 in words is "one trillion, twenty-three billion, eight hundred sixty-eight million, six hundred eighty-five thousand, eight hundred forty-three".