113012423009 has 2 divisors, whose sum is σ = 113012423010. Its totient is φ = 113012423008.

The previous prime is 113012423003. The next prime is 113012423011. The reversal of 113012423009 is 900324210311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111917011600 + 1095411409 = 334540^2 + 33097^2 .

It is a cyclic number.

It is not a de Polignac number, because 113012423009 - 2⁴ = 113012422993 is a prime.

It is a super-2 number, since 2×113012423009² (a number of 23 digits) contains 22 as substring.

Together with 113012423011, 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 (113012423003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56506211504 + 56506211505.

It is an arithmetic number, because the mean of its divisors is an integer number (56506211505).

Almost surely, 2^113012423009 is an apocalyptic number.

It is an amenable number.

113012423009 is a deficient number, since it is larger than the sum of its proper divisors (1).

113012423009 is an equidigital number, since it uses as much as digits as its factorization.

113012423009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 113012423009 in words is "one hundred thirteen billion, twelve million, four hundred twenty-three thousand, nine".