42023101 has 2 divisors, whose sum is σ = 42023102. Its totient is φ = 42023100.

The previous prime is 42023089. The next prime is 42023119. The reversal of 42023101 is 10132024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 10719076 = 5595^2 + 3274^2 .

It is a cyclic number.

It is not a de Polignac number, because 42023101 - 2⁷ = 42022973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42023161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21011550 + 21011551.

It is an arithmetic number, because the mean of its divisors is an integer number (21011551).

Almost surely, 2^42023101 is an apocalyptic number.

It is an amenable number.

42023101 is a deficient number, since it is larger than the sum of its proper divisors (1).

42023101 is an equidigital number, since it uses as much as digits as its factorization.

42023101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42023101 is about 6482.5227342447. The cubic root of 42023101 is about 347.6663827218. Note that the first 3 decimals are identical.

Adding to 42023101 its reverse (10132024), we get a palindrome (52155125).

It can be divided in two parts, 42023 and 101, that added together give a palindrome (42124).

The spelling of 42023101 in words is "forty-two million, twenty-three thousand, one hundred one".