42232783 has 2 divisors, whose sum is σ = 42232784. Its totient is φ = 42232782.

The previous prime is 42232759. The next prime is 42232789. The reversal of 42232783 is 38723224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42232783 - 2⁹ = 42232271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42232789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21116391 + 21116392.

It is an arithmetic number, because the mean of its divisors is an integer number (21116392).

Almost surely, 2^42232783 is an apocalyptic number.

42232783 is a deficient number, since it is larger than the sum of its proper divisors (1).

42232783 is an equidigital number, since it uses as much as digits as its factorization.

42232783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 42232783 is about 6498.6754804345. The cubic root of 42232783 is about 348.2436720970.

The spelling of 42232783 in words is "forty-two million, two hundred thirty-two thousand, seven hundred eighty-three".