202110023231993 has 2 divisors, whose sum is σ = 202110023231994. Its totient is φ = 202110023231992.

The previous prime is 202110023231971. The next prime is 202110023232011. The reversal of 202110023231993 is 399132320011202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201677574950329 + 432448281664 = 14201323^2 + 657608^2 .

It is a cyclic number.

It is not a de Polignac number, because 202110023231993 - 2⁴⁴ = 184517837187577 is a prime.

It is a super-3 number, since 3×202110023231993³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (202110083231993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055011615996 + 101055011615997.

It is an arithmetic number, because the mean of its divisors is an integer number (101055011615997).

Almost surely, 2^{202110023231993} is an apocalyptic number.

It is an amenable number.

202110023231993 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110023231993 is an equidigital number, since it uses as much as digits as its factorization.

202110023231993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 202110023231993 in words is "two hundred two trillion, one hundred ten billion, twenty-three million, two hundred thirty-one thousand, nine hundred ninety-three".