423002141 has 2 divisors, whose sum is σ = 423002142. Its totient is φ = 423002140.

The previous prime is 423002123. The next prime is 423002183. The reversal of 423002141 is 141200324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402162916 + 20839225 = 20054^2 + 4565^2 .

It is a cyclic number.

It is not a de Polignac number, because 423002141 - 2¹⁸ = 422739997 is a prime.

It is a super-2 number, since 2×423002141² = 357861622581167762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423002941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211501070 + 211501071.

It is an arithmetic number, because the mean of its divisors is an integer number (211501071).

Almost surely, 2^423002141 is an apocalyptic number.

It is an amenable number.

423002141 is a deficient number, since it is larger than the sum of its proper divisors (1).

423002141 is an equidigital number, since it uses as much as digits as its factorization.

423002141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 423002141 is about 20567.0158506284. The cubic root of 423002141 is about 750.6673414385.

Adding to 423002141 its reverse (141200324), we get a palindrome (564202465).

The spelling of 423002141 in words is "four hundred twenty-three million, two thousand, one hundred forty-one".