1011423 has 8 divisors (see below), whose sum is σ = 1541248. Its totient is φ = 577944.

The previous prime is 1011407. The next prime is 1011431. The reversal of 1011423 is 3241101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011423 - 2⁴ = 1011407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011399 and 1011408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24061 + ... + 24102.

It is an arithmetic number, because the mean of its divisors is an integer number (192656).

2^1011423 is an apocalyptic number.

1011423 is a deficient number, since it is larger than the sum of its proper divisors (529825).

1011423 is an equidigital number, since it uses as much as digits as its factorization.

1011423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48173.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1011423 is about 1005.6952818821. The cubic root of 1011423 is about 100.3793259654.

Adding to 1011423 its reverse (3241101), we get a palindrome (4252524).

The spelling of 1011423 in words is "one million, eleven thousand, four hundred twenty-three".