11908423 has 4 divisors (see below), whose sum is σ = 11962048. Its totient is φ = 11854800.

The previous prime is 11908373. The next prime is 11908427. The reversal of 11908423 is 32480911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32480911 = 1783 ⋅18217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11908423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11908391 and 11908400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11908427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26478 + ... + 26923.

It is an arithmetic number, because the mean of its divisors is an integer number (2990512).

Almost surely, 2^11908423 is an apocalyptic number.

11908423 is a deficient number, since it is larger than the sum of its proper divisors (53625).

11908423 is an equidigital number, since it uses as much as digits as its factorization.

11908423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53624.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 11908423 is about 3450.8582990323. The cubic root of 11908423 is about 228.3589746306.

The spelling of 11908423 in words is "eleven million, nine hundred eight thousand, four hundred twenty-three".