11420233 has 4 divisors (see below), whose sum is σ = 12458448. Its totient is φ = 10382020.

The previous prime is 11420203. The next prime is 11420239. The reversal of 11420233 is 33202411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11420233 - 2¹³ = 11412041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11420239) 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, 519091 + ... + 519112.

It is an arithmetic number, because the mean of its divisors is an integer number (3114612).

Almost surely, 2^11420233 is an apocalyptic number.

It is an amenable number.

11420233 is a deficient number, since it is larger than the sum of its proper divisors (1038215).

11420233 is a wasteful number, since it uses less digits than its factorization.

11420233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038214.

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

The square root of 11420233 is about 3379.3835236623. The cubic root of 11420233 is about 225.1947811248.

Adding to 11420233 its reverse (33202411), we get a palindrome (44622644).

The spelling of 11420233 in words is "eleven million, four hundred twenty thousand, two hundred thirty-three".