11980231 has 2 divisors, whose sum is σ = 11980232. Its totient is φ = 11980230.

The previous prime is 11980207. The next prime is 11980247. The reversal of 11980231 is 13208911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11980231 - 2⁹ = 11979719 is a prime.

It is a super-2 number, since 2×11980231² = 287051869626722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11980196 and 11980205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11980261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5990115 + 5990116.

It is an arithmetic number, because the mean of its divisors is an integer number (5990116).

Almost surely, 2^11980231 is an apocalyptic number.

11980231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11980231 is an equidigital number, since it uses as much as digits as its factorization.

11980231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 11980231 is about 3461.2470296123. The cubic root of 11980231 is about 228.8170579874.

The spelling of 11980231 in words is "eleven million, nine hundred eighty thousand, two hundred thirty-one".