423655411 has 2 divisors, whose sum is σ = 423655412. Its totient is φ = 423655410.

The previous prime is 423655409. The next prime is 423655417. The reversal of 423655411 is 114556324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423655411 - 2¹ = 423655409 is a prime.

Together with 423655409, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423655417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211827705 + 211827706.

It is an arithmetic number, because the mean of its divisors is an integer number (211827706).

Almost surely, 2^423655411 is an apocalyptic number.

423655411 is a deficient number, since it is larger than the sum of its proper divisors (1).

423655411 is an equidigital number, since it uses as much as digits as its factorization.

423655411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 423655411 is about 20582.8912206230. The cubic root of 423655411 is about 751.0535776429.

The spelling of 423655411 in words is "four hundred twenty-three million, six hundred fifty-five thousand, four hundred eleven".