423134137 has 2 divisors, whose sum is σ = 423134138. Its totient is φ = 423134136.

The previous prime is 423134093. The next prime is 423134141. The reversal of 423134137 is 731431324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290907136 + 132227001 = 17056^2 + 11499^2 .

It is a cyclic number.

It is not a de Polignac number, because 423134137 - 2¹¹ = 423132089 is a prime.

It is not a weakly prime, because it can be changed into another prime (423134837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211567068 + 211567069.

It is an arithmetic number, because the mean of its divisors is an integer number (211567069).

Almost surely, 2^423134137 is an apocalyptic number.

It is an amenable number.

423134137 is a deficient number, since it is larger than the sum of its proper divisors (1).

423134137 is an equidigital number, since it uses as much as digits as its factorization.

423134137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 423134137 is about 20570.2245247834. The cubic root of 423134137 is about 750.7454141575.

The spelling of 423134137 in words is "four hundred twenty-three million, one hundred thirty-four thousand, one hundred thirty-seven".