10423709081 has 2 divisors, whose sum is σ = 10423709082. Its totient is φ = 10423709080.

The previous prime is 10423709057. The next prime is 10423709083. The reversal of 10423709081 is 18090732401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10144518400 + 279190681 = 100720^2 + 16709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10423709081 is a prime.

It is a super-3 number, since 3×10423709081³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 10423709083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10423709083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211854540 + 5211854541.

It is an arithmetic number, because the mean of its divisors is an integer number (5211854541).

Almost surely, 2^10423709081 is an apocalyptic number.

It is an amenable number.

10423709081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10423709081 is an equidigital number, since it uses as much as digits as its factorization.

10423709081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 10423709081 in words is "ten billion, four hundred twenty-three million, seven hundred nine thousand, eighty-one".