11657123 has 2 divisors, whose sum is σ = 11657124. Its totient is φ = 11657122.

The previous prime is 11657099. The next prime is 11657137. The reversal of 11657123 is 32175611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11657123 - 2⁸ = 11656867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11657092 and 11657101.

It is not a weakly prime, because it can be changed into another prime (11657143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828561 + 5828562.

It is an arithmetic number, because the mean of its divisors is an integer number (5828562).

Almost surely, 2^11657123 is an apocalyptic number.

11657123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657123 is an equidigital number, since it uses as much as digits as its factorization.

11657123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 11657123 is about 3414.2529197469. The cubic root of 11657123 is about 226.7412098635.

The spelling of 11657123 in words is "eleven million, six hundred fifty-seven thousand, one hundred twenty-three".