213329555723 has 4 divisors (see below), whose sum is σ = 213336225168. Its totient is φ = 213322886280.

The previous prime is 213329555711. The next prime is 213329555731. The reversal of 213329555723 is 327555923312.

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 213329555723 - 2¹² = 213329551627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213329555623) 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, 3286511 + ... + 3350792.

It is an arithmetic number, because the mean of its divisors is an integer number (53334056292).

Almost surely, 2^213329555723 is an apocalyptic number.

213329555723 is a deficient number, since it is larger than the sum of its proper divisors (6669445).

213329555723 is an equidigital number, since it uses as much as digits as its factorization.

213329555723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6669444.

The product of its digits is 1701000, while the sum is 47.

The spelling of 213329555723 in words is "two hundred thirteen billion, three hundred twenty-nine million, five hundred fifty-five thousand, seven hundred twenty-three".