10990423 has 2 divisors, whose sum is σ = 10990424. Its totient is φ = 10990422.

The previous prime is 10990403. The next prime is 10990457. The reversal of 10990423 is 32409901.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32409901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10990423 - 2¹⁷ = 10859351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10990391 and 10990400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10990403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5495211 + 5495212.

It is an arithmetic number, because the mean of its divisors is an integer number (5495212).

Almost surely, 2^10990423 is an apocalyptic number.

10990423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10990423 is an equidigital number, since it uses as much as digits as its factorization.

10990423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10990423 is about 3315.1806888916. The cubic root of 10990423 is about 222.3334477189. Note that the first 3 decimals are identical.

The spelling of 10990423 in words is "ten million, nine hundred ninety thousand, four hundred twenty-three".