113433421 has 2 divisors, whose sum is σ = 113433422. Its totient is φ = 113433420.

The previous prime is 113433329. The next prime is 113433431. The reversal of 113433421 is 124334311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112254025 + 1179396 = 10595^2 + 1086^2 .

It is a cyclic number.

It is not a de Polignac number, because 113433421 - 2¹⁵ = 113400653 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113433392 and 113433401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113433431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56716710 + 56716711.

It is an arithmetic number, because the mean of its divisors is an integer number (56716711).

Almost surely, 2^113433421 is an apocalyptic number.

It is an amenable number.

113433421 is a deficient number, since it is larger than the sum of its proper divisors (1).

113433421 is an equidigital number, since it uses as much as digits as its factorization.

113433421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 113433421 is about 10650.5127106633. The cubic root of 113433421 is about 484.0761397530.

Adding to 113433421 its reverse (124334311), we get a palindrome (237767732).

The spelling of 113433421 in words is "one hundred thirteen million, four hundred thirty-three thousand, four hundred twenty-one".