213123034 has 8 divisors (see below), whose sum is σ = 328324788. Its totient is φ = 103681440.

The previous prime is 213122971. The next prime is 213123041. The reversal of 213123034 is 430321312.

It can be written as a sum of positive squares in 2 ways, for example, as 213072409 + 50625 = 14597^2 + 225^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439947 + ... + 1440094.

Almost surely, 2^213123034 is an apocalyptic number.

213123034 is a deficient number, since it is larger than the sum of its proper divisors (115201754).

213123034 is a wasteful number, since it uses less digits than its factorization.

213123034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880080.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 213123034 is about 14598.7339862058. The cubic root of 213123034 is about 597.3242273997.

Adding to 213123034 its reverse (430321312), we get a palindrome (643444346).

The spelling of 213123034 in words is "two hundred thirteen million, one hundred twenty-three thousand, thirty-four".