234400401205 has 8 divisors (see below), whose sum is σ = 281421344952. Its totient is φ = 187426411968.

The previous prime is 234400401167. The next prime is 234400401229. The reversal of 234400401205 is 502104004432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4995803761 + 229404597444 = 70681^2 + 478962^2 .

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 234400401205 - 2¹¹ = 234400399157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234400401205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11727642 + ... + 11747611.

It is an arithmetic number, because the mean of its divisors is an integer number (35177668119).

Almost surely, 2^234400401205 is an apocalyptic number.

It is an amenable number.

234400401205 is a deficient number, since it is larger than the sum of its proper divisors (47020943747).

234400401205 is a wasteful number, since it uses less digits than its factorization.

234400401205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23477255.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 234400401205 its reverse (502104004432), we get a palindrome (736504405637).

The spelling of 234400401205 in words is "two hundred thirty-four billion, four hundred million, four hundred one thousand, two hundred five".