423274139 has 2 divisors, whose sum is σ = 423274140. Its totient is φ = 423274138.

The previous prime is 423274099. The next prime is 423274171. The reversal of 423274139 is 931472324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423274139 - 2⁸ = 423273883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 423274099 and 423274108.

It is not a weakly prime, because it can be changed into another prime (423274199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211637069 + 211637070.

It is an arithmetic number, because the mean of its divisors is an integer number (211637070).

Almost surely, 2^423274139 is an apocalyptic number.

423274139 is a deficient number, since it is larger than the sum of its proper divisors (1).

423274139 is an equidigital number, since it uses as much as digits as its factorization.

423274139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 423274139 is about 20573.6272689091. The cubic root of 423274139 is about 750.8282045072.

The spelling of 423274139 in words is "four hundred twenty-three million, two hundred seventy-four thousand, one hundred thirty-nine".