213023661967 has 2 divisors, whose sum is σ = 213023661968. Its totient is φ = 213023661966.

The previous prime is 213023661959. The next prime is 213023662003. The reversal of 213023661967 is 769166320312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213023661967 - 2³ = 213023661959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213023661167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106511830983 + 106511830984.

It is an arithmetic number, because the mean of its divisors is an integer number (106511830984).

Almost surely, 2^213023661967 is an apocalyptic number.

213023661967 is a deficient number, since it is larger than the sum of its proper divisors (1).

213023661967 is an equidigital number, since it uses as much as digits as its factorization.

213023661967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 213023661967 in words is "two hundred thirteen billion, twenty-three million, six hundred sixty-one thousand, nine hundred sixty-seven".