42092423 has 2 divisors, whose sum is σ = 42092424. Its totient is φ = 42092422.

The previous prime is 42092419. The next prime is 42092431. The reversal of 42092423 is 32429024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42092423 - 2² = 42092419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42092392 and 42092401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42092443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21046211 + 21046212.

It is an arithmetic number, because the mean of its divisors is an integer number (21046212).

Almost surely, 2^42092423 is an apocalyptic number.

42092423 is a deficient number, since it is larger than the sum of its proper divisors (1).

42092423 is an equidigital number, since it uses as much as digits as its factorization.

42092423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42092423 is about 6487.8673691746. The cubic root of 42092423 is about 347.8574497628.

The spelling of 42092423 in words is "forty-two million, ninety-two thousand, four hundred twenty-three".