2042405423 has 2 divisors, whose sum is σ = 2042405424. Its totient is φ = 2042405422.

The previous prime is 2042405377. The next prime is 2042405467. The reversal of 2042405423 is 3245042402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2042405423 - 2²⁴ = 2025628207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2042405392 and 2042405401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042405923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021202711 + 1021202712.

It is an arithmetic number, because the mean of its divisors is an integer number (1021202712).

Almost surely, 2^2042405423 is an apocalyptic number.

2042405423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042405423 is an equidigital number, since it uses as much as digits as its factorization.

2042405423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2042405423 is about 45192.9797977518. The cubic root of 2042405423 is about 1268.7634279828.

Adding to 2042405423 its reverse (3245042402), we get a palindrome (5287447825).

The spelling of 2042405423 in words is "two billion, forty-two million, four hundred five thousand, four hundred twenty-three".