11578423 has 2 divisors, whose sum is σ = 11578424. Its totient is φ = 11578422.

The previous prime is 11578421. The next prime is 11578439. The reversal of 11578423 is 32487511.

11578423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11578423 - 2¹ = 11578421 is a prime.

Together with 11578421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11578421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5789211 + 5789212.

It is an arithmetic number, because the mean of its divisors is an integer number (5789212).

Almost surely, 2^11578423 is an apocalyptic number.

11578423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11578423 is an equidigital number, since it uses as much as digits as its factorization.

11578423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 11578423 is about 3402.7081861364. The cubic root of 11578423 is about 226.2297960246.

The spelling of 11578423 in words is "eleven million, five hundred seventy-eight thousand, four hundred twenty-three".