223401212434 has 8 divisors (see below), whose sum is σ = 336565146060. Its totient is φ = 111212830416.

The previous prime is 223401212399. The next prime is 223401212453. The reversal of 223401212434 is 434212104322.

It can be written as a sum of positive squares in 2 ways, for example, as 223400858409 + 354025 = 472653^2 + 595^2 .

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, 243887329 + ... + 243888244.

Almost surely, 2^223401212434 is an apocalyptic number.

223401212434 is a deficient number, since it is larger than the sum of its proper divisors (113163933626).

223401212434 is a wasteful number, since it uses less digits than its factorization.

223401212434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487775804.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 223401212434 its reverse (434212104322), we get a palindrome (657613316756).

The spelling of 223401212434 in words is "two hundred twenty-three billion, four hundred one million, two hundred twelve thousand, four hundred thirty-four".