202002119778623 has 2 divisors, whose sum is σ = 202002119778624. Its totient is φ = 202002119778622.

The previous prime is 202002119778617. The next prime is 202002119778631. The reversal of 202002119778623 is 326877911200202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202002119778623 - 2¹² = 202002119774527 is a prime.

It is a super-2 number, since 2×202002119778623² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202002119778023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101001059889311 + 101001059889312.

It is an arithmetic number, because the mean of its divisors is an integer number (101001059889312).

Almost surely, 2^{202002119778623} is an apocalyptic number.

202002119778623 is a deficient number, since it is larger than the sum of its proper divisors (1).

202002119778623 is an equidigital number, since it uses as much as digits as its factorization.

202002119778623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 202002119778623 in words is "two hundred two trillion, two billion, one hundred nineteen million, seven hundred seventy-eight thousand, six hundred twenty-three".