42923833 has 2 divisors, whose sum is σ = 42923834. Its totient is φ = 42923832.

The previous prime is 42923821. The next prime is 42923851. The reversal of 42923833 is 33832924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36096064 + 6827769 = 6008^2 + 2613^2 .

It is a cyclic number.

It is not a de Polignac number, because 42923833 - 2²⁵ = 9369401 is a prime.

It is not a weakly prime, because it can be changed into another prime (42923863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21461916 + 21461917.

It is an arithmetic number, because the mean of its divisors is an integer number (21461917).

Almost surely, 2^42923833 is an apocalyptic number.

It is an amenable number.

42923833 is a deficient number, since it is larger than the sum of its proper divisors (1).

42923833 is an equidigital number, since it uses as much as digits as its factorization.

42923833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 42923833 is about 6551.6282708957. The cubic root of 42923833 is about 350.1328284954.

Subtracting from 42923833 its reverse (33832924), we obtain a palindrome (9090909).

The spelling of 42923833 in words is "forty-two million, nine hundred twenty-three thousand, eight hundred thirty-three".