213432123411 has 24 divisors (see below), whose sum is σ = 332220142800. Its totient is φ = 131257941696.

The previous prime is 213432123383. The next prime is 213432123419. The reversal of 213432123411 is 114321234312.

213432123411 is a `hidden beast` number, since 2 + 1 + 34 + 3 + 212 + 3 + 411 = 666.

It is not a de Polignac number, because 213432123411 - 2⁷ = 213432123283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213432123419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407601 + ... + 770066.

It is an arithmetic number, because the mean of its divisors is an integer number (13842505950).

Almost surely, 2^213432123411 is an apocalyptic number.

213432123411 is a deficient number, since it is larger than the sum of its proper divisors (118788019389).

213432123411 is a wasteful number, since it uses less digits than its factorization.

213432123411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179235 (or 1179232 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 213432123411 its reverse (114321234312), we get a palindrome (327753357723).

The spelling of 213432123411 in words is "two hundred thirteen billion, four hundred thirty-two million, one hundred twenty-three thousand, four hundred eleven".