423755401 has 2 divisors, whose sum is σ = 423755402. Its totient is φ = 423755400.

The previous prime is 423755393. The next prime is 423755407. The reversal of 423755401 is 104557324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262440000 + 161315401 = 16200^2 + 12701^2 .

It is a cyclic number.

It is not a de Polignac number, because 423755401 - 2³ = 423755393 is a prime.

It is not a weakly prime, because it can be changed into another prime (423755407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211877700 + 211877701.

It is an arithmetic number, because the mean of its divisors is an integer number (211877701).

Almost surely, 2^423755401 is an apocalyptic number.

It is an amenable number.

423755401 is a deficient number, since it is larger than the sum of its proper divisors (1).

423755401 is an equidigital number, since it uses as much as digits as its factorization.

423755401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 423755401 is about 20585.3200363754. The cubic root of 423755401 is about 751.1126602038.

The spelling of 423755401 in words is "four hundred twenty-three million, seven hundred fifty-five thousand, four hundred one".