423040120003 has 2 divisors, whose sum is σ = 423040120004. Its totient is φ = 423040120002.

The previous prime is 423040119961. The next prime is 423040120037. The reversal of 423040120003 is 300021040324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423040120003 is a prime.

It is not a weakly prime, because it can be changed into another prime (423040120603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211520060001 + 211520060002.

It is an arithmetic number, because the mean of its divisors is an integer number (211520060002).

Almost surely, 2^423040120003 is an apocalyptic number.

423040120003 is a deficient number, since it is larger than the sum of its proper divisors (1).

423040120003 is an equidigital number, since it uses as much as digits as its factorization.

423040120003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 423040120003 its reverse (300021040324), we get a palindrome (723061160327).

The spelling of 423040120003 in words is "four hundred twenty-three billion, forty million, one hundred twenty thousand, three".