11929123 has 2 divisors, whose sum is σ = 11929124. Its totient is φ = 11929122.

The previous prime is 11929091. The next prime is 11929129. The reversal of 11929123 is 32192911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11929123 - 2⁵ = 11929091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11929091 and 11929100.

It is not a weakly prime, because it can be changed into another prime (11929129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5964561 + 5964562.

It is an arithmetic number, because the mean of its divisors is an integer number (5964562).

Almost surely, 2^11929123 is an apocalyptic number.

11929123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11929123 is an equidigital number, since it uses as much as digits as its factorization.

11929123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 28.

The square root of 11929123 is about 3453.8562506277. The cubic root of 11929123 is about 228.4912142079.

The spelling of 11929123 in words is "eleven million, nine hundred twenty-nine thousand, one hundred twenty-three".