11773231 has 4 divisors (see below), whose sum is σ = 12465792. Its totient is φ = 11080672.

The previous prime is 11773219. The next prime is 11773241. The reversal of 11773231 is 13237711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13237711 = 41 ⋅322871.

It is a cyclic number.

It is not a de Polignac number, because 11773231 - 2¹¹ = 11771183 is a prime.

It is a super-2 number, since 2×11773231² = 277217936358722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11773196 and 11773205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11773241) 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, 346255 + ... + 346288.

It is an arithmetic number, because the mean of its divisors is an integer number (3116448).

Almost surely, 2^11773231 is an apocalyptic number.

11773231 is a deficient number, since it is larger than the sum of its proper divisors (692561).

11773231 is an equidigital number, since it uses as much as digits as its factorization.

11773231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692560.

The product of its digits is 882, while the sum is 25.

The square root of 11773231 is about 3431.2142165712. The cubic root of 11773231 is about 227.4915248624.

The spelling of 11773231 in words is "eleven million, seven hundred seventy-three thousand, two hundred thirty-one".