11631443 has 2 divisors, whose sum is σ = 11631444. Its totient is φ = 11631442.

The previous prime is 11631427. The next prime is 11631449. The reversal of 11631443 is 34413611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11631443 - 2⁴ = 11631427 is a prime.

It is not a weakly prime, because it can be changed into another prime (11631449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815721 + 5815722.

It is an arithmetic number, because the mean of its divisors is an integer number (5815722).

Almost surely, 2^11631443 is an apocalyptic number.

11631443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11631443 is an equidigital number, since it uses as much as digits as its factorization.

11631443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 11631443 is about 3410.4901407276. The cubic root of 11631443 is about 226.5745879845.

The spelling of 11631443 in words is "eleven million, six hundred thirty-one thousand, four hundred forty-three".