423103331009 has 2 divisors, whose sum is σ = 423103331010. Its totient is φ = 423103331008.

The previous prime is 423103330997. The next prime is 423103331047. The reversal of 423103331009 is 900133301324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382449480625 + 40653850384 = 618425^2 + 201628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423103331009 is a prime.

It is a super-2 number, since 2×423103331009² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423103331059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211551665504 + 211551665505.

It is an arithmetic number, because the mean of its divisors is an integer number (211551665505).

Almost surely, 2^423103331009 is an apocalyptic number.

It is an amenable number.

423103331009 is a deficient number, since it is larger than the sum of its proper divisors (1).

423103331009 is an equidigital number, since it uses as much as digits as its factorization.

423103331009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 423103331009 in words is "four hundred twenty-three billion, one hundred three million, three hundred thirty-one thousand, nine".