400314232243 has 2 divisors, whose sum is σ = 400314232244. Its totient is φ = 400314232242.

The previous prime is 400314232211. The next prime is 400314232259. The reversal of 400314232243 is 342232413004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400314232243 - 2⁵ = 400314232211 is a prime.

It is a super-2 number, since 2×400314232243² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (400314232273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200157116121 + 200157116122.

It is an arithmetic number, because the mean of its divisors is an integer number (200157116122).

Almost surely, 2^400314232243 is an apocalyptic number.

400314232243 is a deficient number, since it is larger than the sum of its proper divisors (1).

400314232243 is an equidigital number, since it uses as much as digits as its factorization.

400314232243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 400314232243 its reverse (342232413004), we get a palindrome (742546645247).

The spelling of 400314232243 in words is "four hundred billion, three hundred fourteen million, two hundred thirty-two thousand, two hundred forty-three".