113420023 has 2 divisors, whose sum is σ = 113420024. Its totient is φ = 113420022.

The previous prime is 113420009. The next prime is 113420029. The reversal of 113420023 is 320024311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113420023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113419979 and 113420006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113420029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56710011 + 56710012.

It is an arithmetic number, because the mean of its divisors is an integer number (56710012).

Almost surely, 2^113420023 is an apocalyptic number.

113420023 is a deficient number, since it is larger than the sum of its proper divisors (1).

113420023 is an equidigital number, since it uses as much as digits as its factorization.

113420023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 113420023 is about 10649.8837082853. The cubic root of 113420023 is about 484.0570803863.

Adding to 113420023 its reverse (320024311), we get a palindrome (433444334).

The spelling of 113420023 in words is "one hundred thirteen million, four hundred twenty thousand, twenty-three".