42276823 has 2 divisors, whose sum is σ = 42276824. Its totient is φ = 42276822.

The previous prime is 42276811. The next prime is 42276833. The reversal of 42276823 is 32867224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42276823 - 2¹⁷ = 42145751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42276833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21138411 + 21138412.

It is an arithmetic number, because the mean of its divisors is an integer number (21138412).

Almost surely, 2^42276823 is an apocalyptic number.

42276823 is a deficient number, since it is larger than the sum of its proper divisors (1).

42276823 is an equidigital number, since it uses as much as digits as its factorization.

42276823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 42276823 is about 6502.0629803163. The cubic root of 42276823 is about 348.3646785943.

The spelling of 42276823 in words is "forty-two million, two hundred seventy-six thousand, eight hundred twenty-three".