213200001123 has 32 divisors (see below), whose sum is σ = 295390968576. Its totient is φ = 136676187648.

The previous prime is 213200001101. The next prime is 213200001137. The reversal of 213200001123 is 321100002312.

It is not a de Polignac number, because 213200001123 - 2³⁰ = 212126259299 is a prime.

It is a super-2 number, since 2×213200001123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213200001193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17219311 + ... + 17231687.

It is an arithmetic number, because the mean of its divisors is an integer number (9230967768).

Almost surely, 2^213200001123 is an apocalyptic number.

213200001123 is a deficient number, since it is larger than the sum of its proper divisors (82190967453).

213200001123 is a wasteful number, since it uses less digits than its factorization.

213200001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14483.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 213200001123 its reverse (321100002312), we get a palindrome (534300003435).

The spelling of 213200001123 in words is "two hundred thirteen billion, two hundred million, one thousand, one hundred twenty-three".