213123221223293 has 16 divisors (see below), whose sum is σ = 221883926429760. Its totient is φ = 204520500049536.

The previous prime is 213123221223281. The next prime is 213123221223313. The reversal of 213123221223293 is 392322122321312.

It is a cyclic number.

It is not a de Polignac number, because 213123221223293 - 2⁶ = 213123221223229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123221223203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317461646 + ... + 318132272.

It is an arithmetic number, because the mean of its divisors is an integer number (13867745401860).

Almost surely, 2^{213123221223293} is an apocalyptic number.

It is an amenable number.

213123221223293 is a deficient number, since it is larger than the sum of its proper divisors (8760705206467).

213123221223293 is a wasteful number, since it uses less digits than its factorization.

213123221223293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788396.

The product of its digits is 93312, while the sum is 38.

The spelling of 213123221223293 in words is "two hundred thirteen trillion, one hundred twenty-three billion, two hundred twenty-one million, two hundred twenty-three thousand, two hundred ninety-three".