113423729 has 2 divisors, whose sum is σ = 113423730. Its totient is φ = 113423728.

The previous prime is 113423659. The next prime is 113423743. The reversal of 113423729 is 927324311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85840225 + 27583504 = 9265^2 + 5252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113423729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113423695 and 113423704.

It is not a weakly prime, because it can be changed into another prime (113423789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56711864 + 56711865.

It is an arithmetic number, because the mean of its divisors is an integer number (56711865).

Almost surely, 2^113423729 is an apocalyptic number.

It is an amenable number.

113423729 is a deficient number, since it is larger than the sum of its proper divisors (1).

113423729 is an equidigital number, since it uses as much as digits as its factorization.

113423729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 113423729 is about 10650.0576993742. The cubic root of 113423729 is about 484.0623525184.

The spelling of 113423729 in words is "one hundred thirteen million, four hundred twenty-three thousand, seven hundred twenty-nine".