42406232003 has 2 divisors, whose sum is σ = 42406232004. Its totient is φ = 42406232002.

The previous prime is 42406231921. The next prime is 42406232021. The reversal of 42406232003 is 30023260424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42406232003 - 2¹² = 42406227907 is a prime.

It is a super-2 number, since 2×42406232003² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42406232093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21203116001 + 21203116002.

It is an arithmetic number, because the mean of its divisors is an integer number (21203116002).

Almost surely, 2^42406232003 is an apocalyptic number.

42406232003 is a deficient number, since it is larger than the sum of its proper divisors (1).

42406232003 is an equidigital number, since it uses as much as digits as its factorization.

42406232003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 42406232003 its reverse (30023260424), we get a palindrome (72429492427).

The spelling of 42406232003 in words is "forty-two billion, four hundred six million, two hundred thirty-two thousand, three".