42150323 has 2 divisors, whose sum is σ = 42150324. Its totient is φ = 42150322.

The previous prime is 42150319. The next prime is 42150349. The reversal of 42150323 is 32305124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42150323 - 2² = 42150319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42150295 and 42150304.

It is not a weakly prime, because it can be changed into another prime (42150223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21075161 + 21075162.

It is an arithmetic number, because the mean of its divisors is an integer number (21075162).

Almost surely, 2^42150323 is an apocalyptic number.

42150323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42150323 is an equidigital number, since it uses as much as digits as its factorization.

42150323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42150323 is about 6492.3280108140. The cubic root of 42150323 is about 348.0168744845.

Adding to 42150323 its reverse (32305124), we get a palindrome (74455447).

The spelling of 42150323 in words is "forty-two million, one hundred fifty thousand, three hundred twenty-three".