400114423 has 2 divisors, whose sum is σ = 400114424. Its totient is φ = 400114422.

The previous prime is 400114399. The next prime is 400114439. The reversal of 400114423 is 324411004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400114423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400114423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400114523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200057211 + 200057212.

It is an arithmetic number, because the mean of its divisors is an integer number (200057212).

Almost surely, 2^400114423 is an apocalyptic number.

400114423 is a deficient number, since it is larger than the sum of its proper divisors (1).

400114423 is an equidigital number, since it uses as much as digits as its factorization.

400114423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 400114423 is about 20002.8603704570. The cubic root of 400114423 is about 736.8765493527.

Adding to 400114423 its reverse (324411004), we get a palindrome (724525427).

The spelling of 400114423 in words is "four hundred million, one hundred fourteen thousand, four hundred twenty-three".