400323202234 has 16 divisors (see below), whose sum is σ = 607139926848. Its totient is φ = 197946387072.

The previous prime is 400323202229. The next prime is 400323202241. The reversal of 400323202234 is 432202323004.

It is a junction number, because it is equal to n+sod(n) for n = 400323202199 and 400323202208.

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, 535854 + ... + 1042969.

It is an arithmetic number, because the mean of its divisors is an integer number (37946245428).

Almost surely, 2^400323202234 is an apocalyptic number.

400323202234 is a deficient number, since it is larger than the sum of its proper divisors (206816724614).

400323202234 is a wasteful number, since it uses less digits than its factorization.

400323202234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580229.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 400323202234 its reverse (432202323004), we get a palindrome (832525525238).

The spelling of 400323202234 in words is "four hundred billion, three hundred twenty-three million, two hundred two thousand, two hundred thirty-four".