11823051 has 4 divisors (see below), whose sum is σ = 15764072. Its totient is φ = 7882032.

The previous prime is 11823043. The next prime is 11823079. The reversal of 11823051 is 15032811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11823051 - 2³ = 11823043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11823011) 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, 1970506 + ... + 1970511.

It is an arithmetic number, because the mean of its divisors is an integer number (3941018).

Almost surely, 2^11823051 is an apocalyptic number.

11823051 is a deficient number, since it is larger than the sum of its proper divisors (3941021).

11823051 is an equidigital number, since it uses as much as digits as its factorization.

11823051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941020.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11823051 is about 3438.4663732542. The cubic root of 11823051 is about 227.8119602257.

Subtracting from 11823051 its product of nonzero digits (240), we obtain a palindrome (11822811).

Adding to 11823051 its reverse (15032811), we get a palindrome (26855862).

The spelling of 11823051 in words is "eleven million, eight hundred twenty-three thousand, fifty-one".