42310240123 has 2 divisors, whose sum is σ = 42310240124. Its totient is φ = 42310240122.

The previous prime is 42310240099. The next prime is 42310240177. The reversal of 42310240123 is 32104201324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42310240123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42310240094 and 42310240103.

It is not a weakly prime, because it can be changed into another prime (42310240523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155120061 + 21155120062.

It is an arithmetic number, because the mean of its divisors is an integer number (21155120062).

Almost surely, 2^42310240123 is an apocalyptic number.

42310240123 is a deficient number, since it is larger than the sum of its proper divisors (1).

42310240123 is an equidigital number, since it uses as much as digits as its factorization.

42310240123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42310240123 its reverse (32104201324), we get a palindrome (74414441447).

The spelling of 42310240123 in words is "forty-two billion, three hundred ten million, two hundred forty thousand, one hundred twenty-three".