42233879 has 2 divisors, whose sum is σ = 42233880. Its totient is φ = 42233878.

The previous prime is 42233843. The next prime is 42233887. The reversal of 42233879 is 97833224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42233879 - 2⁸ = 42233623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42233809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21116939 + 21116940.

It is an arithmetic number, because the mean of its divisors is an integer number (21116940).

Almost surely, 2^42233879 is an apocalyptic number.

42233879 is a deficient number, since it is larger than the sum of its proper divisors (1).

42233879 is an equidigital number, since it uses as much as digits as its factorization.

42233879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 42233879 is about 6498.7598047628. The cubic root of 42233879 is about 348.2466845416.

The spelling of 42233879 in words is "forty-two million, two hundred thirty-three thousand, eight hundred seventy-nine".