213133310123 has 8 divisors (see below), whose sum is σ = 222165812880. Its totient is φ = 204213012640.

The previous prime is 213133310087. The next prime is 213133310149. The reversal of 213133310123 is 321013331312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213133310123 - 2¹⁶ = 213133244587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213133310153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28047440 + ... + 28055037.

It is an arithmetic number, because the mean of its divisors is an integer number (27770726610).

Almost surely, 2^213133310123 is an apocalyptic number.

213133310123 is a deficient number, since it is larger than the sum of its proper divisors (9032502757).

213133310123 is a wasteful number, since it uses less digits than its factorization.

213133310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56102637.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 213133310123 its reverse (321013331312), we get a palindrome (534146641435).

The spelling of 213133310123 in words is "two hundred thirteen billion, one hundred thirty-three million, three hundred ten thousand, one hundred twenty-three".