213271767023 has 4 divisors (see below), whose sum is σ = 243739162320. Its totient is φ = 182804371728.

The previous prime is 213271767013. The next prime is 213271767047. The reversal of 213271767023 is 320767172312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213271767023 - 2²² = 213267572719 is a prime.

It is a super-2 number, since 2×213271767023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213271767013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15233697638 + ... + 15233697651.

It is an arithmetic number, because the mean of its divisors is an integer number (60934790580).

Almost surely, 2^213271767023 is an apocalyptic number.

213271767023 is a deficient number, since it is larger than the sum of its proper divisors (30467395297).

213271767023 is an equidigital number, since it uses as much as digits as its factorization.

213271767023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30467395296.

The product of its (nonzero) digits is 148176, while the sum is 41.

The spelling of 213271767023 in words is "two hundred thirteen billion, two hundred seventy-one million, seven hundred sixty-seven thousand, twenty-three".