4202423161 has 2 divisors, whose sum is σ = 4202423162. Its totient is φ = 4202423160.

The previous prime is 4202423129. The next prime is 4202423201. The reversal of 4202423161 is 1613242024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3913253136 + 289170025 = 62556^2 + 17005^2 .

It is a cyclic number.

It is not a de Polignac number, because 4202423161 - 2⁵ = 4202423129 is a prime.

It is not a weakly prime, because it can be changed into another prime (4202423261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101211580 + 2101211581.

It is an arithmetic number, because the mean of its divisors is an integer number (2101211581).

Almost surely, 2^4202423161 is an apocalyptic number.

It is an amenable number.

4202423161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202423161 is an equidigital number, since it uses as much as digits as its factorization.

4202423161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4202423161 is about 64826.0993813449. The cubic root of 4202423161 is about 1613.7388718770.

Adding to 4202423161 its reverse (1613242024), we get a palindrome (5815665185).

The spelling of 4202423161 in words is "four billion, two hundred two million, four hundred twenty-three thousand, one hundred sixty-one".