42351015323 has 2 divisors, whose sum is σ = 42351015324. Its totient is φ = 42351015322.

The previous prime is 42351015277. The next prime is 42351015353. The reversal of 42351015323 is 32351015324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42351015323 - 2¹⁴ = 42350998939 is a prime.

It is not a weakly prime, because it can be changed into another prime (42351015353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175507661 + 21175507662.

It is an arithmetic number, because the mean of its divisors is an integer number (21175507662).

Almost surely, 2^42351015323 is an apocalyptic number.

42351015323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42351015323 is an equidigital number, since it uses as much as digits as its factorization.

42351015323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

Subtracting from 42351015323 its reverse (32351015324), we obtain a palindrome (9999999999).

It can be divided in two parts, 4235101 and 5323, that added together give a palindrome (4240424).

The spelling of 42351015323 in words is "forty-two billion, three hundred fifty-one million, fifteen thousand, three hundred twenty-three".