11975923 has 2 divisors, whose sum is σ = 11975924. Its totient is φ = 11975922.

The previous prime is 11975897. The next prime is 11975941. The reversal of 11975923 is 32957911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11975923 - 2¹⁷ = 11844851 is a prime.

It is not a weakly prime, because it can be changed into another prime (11975983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987961 + 5987962.

It is an arithmetic number, because the mean of its divisors is an integer number (5987962).

Almost surely, 2^11975923 is an apocalyptic number.

11975923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11975923 is an equidigital number, since it uses as much as digits as its factorization.

11975923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 11975923 is about 3460.6246545963. The cubic root of 11975923 is about 228.7896277410.

The spelling of 11975923 in words is "eleven million, nine hundred seventy-five thousand, nine hundred twenty-three".