11723071 has 2 divisors, whose sum is σ = 11723072. Its totient is φ = 11723070.

The previous prime is 11723011. The next prime is 11723083. The reversal of 11723071 is 17032711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11723071 - 2¹¹ = 11721023 is a prime.

It is a super-3 number, since 3×11723071³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11723011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861535 + 5861536.

It is an arithmetic number, because the mean of its divisors is an integer number (5861536).

Almost surely, 2^11723071 is an apocalyptic number.

11723071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723071 is an equidigital number, since it uses as much as digits as its factorization.

11723071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 11723071 is about 3423.8970486859. The cubic root of 11723071 is about 227.1679881066.

Adding to 11723071 its reverse (17032711), we get a palindrome (28755782).

The spelling of 11723071 in words is "eleven million, seven hundred twenty-three thousand, seventy-one".