113420233 has 4 divisors (see below), whose sum is σ = 113489860. Its totient is φ = 113350608.

The previous prime is 113420191. The next prime is 113420267. The reversal of 113420233 is 332024311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332024311 = 103 ⋅3223537.

It can be written as a sum of positive squares in 2 ways, for example, as 26501904 + 86918329 = 5148^2 + 9323^2 .

It is a cyclic number.

It is not a de Polignac number, because 113420233 - 2¹³ = 113412041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113420233.

It is not an unprimeable number, because it can be changed into a prime (113420033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32310 + ... + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (28372465).

Almost surely, 2^113420233 is an apocalyptic number.

It is an amenable number.

113420233 is a deficient number, since it is larger than the sum of its proper divisors (69627).

113420233 is an equidigital number, since it uses as much as digits as its factorization.

113420233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69626.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 113420233 is about 10649.8935675433. The cubic root of 113420233 is about 484.0573791341.

Adding to 113420233 its reverse (332024311), we get a palindrome (445444544).

The spelling of 113420233 in words is "one hundred thirteen million, four hundred twenty thousand, two hundred thirty-three".