11975423 has 2 divisors, whose sum is σ = 11975424. Its totient is φ = 11975422.

The previous prime is 11975419. The next prime is 11975441. The reversal of 11975423 is 32457911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11975423 - 2² = 11975419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11975423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11975413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987711 + 5987712.

It is an arithmetic number, because the mean of its divisors is an integer number (5987712).

Almost surely, 2^11975423 is an apocalyptic number.

11975423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11975423 is an equidigital number, since it uses as much as digits as its factorization.

11975423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 11975423 is about 3460.5524125492. The cubic root of 11975423 is about 228.7864436745.

The spelling of 11975423 in words is "eleven million, nine hundred seventy-five thousand, four hundred twenty-three".