1021167923353 has 2 divisors, whose sum is σ = 1021167923354. Its totient is φ = 1021167923352.

The previous prime is 1021167923317. The next prime is 1021167923359. The reversal of 1021167923353 is 3533297611201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018006335369 + 3161587984 = 1008963^2 + 56228^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021167923353 - 2²⁵ = 1021134368921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021167923359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510583961676 + 510583961677.

It is an arithmetic number, because the mean of its divisors is an integer number (510583961677).

Almost surely, 2^{1021167923353} is an apocalyptic number.

It is an amenable number.

1021167923353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021167923353 is an equidigital number, since it uses as much as digits as its factorization.

1021167923353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 1021167923353 in words is "one trillion, twenty-one billion, one hundred sixty-seven million, nine hundred twenty-three thousand, three hundred fifty-three".