423013399 has 2 divisors, whose sum is σ = 423013400. Its totient is φ = 423013398.

The previous prime is 423013391. The next prime is 423013427. The reversal of 423013399 is 993310324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423013399 - 2³ = 423013391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423013391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211506699 + 211506700.

It is an arithmetic number, because the mean of its divisors is an integer number (211506700).

Almost surely, 2^423013399 is an apocalyptic number.

423013399 is a deficient number, since it is larger than the sum of its proper divisors (1).

423013399 is an equidigital number, since it uses as much as digits as its factorization.

423013399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 423013399 is about 20567.2895394605. The cubic root of 423013399 is about 750.6740009304.

The spelling of 423013399 in words is "four hundred twenty-three million, thirteen thousand, three hundred ninety-nine".