10440423 has 12 divisors (see below), whose sum is σ = 17235088. Its totient is φ = 5965920.

The previous prime is 10440383. The next prime is 10440427. The reversal of 10440423 is 32404401.

10440423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10440423 - 2⁸ = 10440167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10440396 and 10440405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82798 + ... + 82923.

Almost surely, 2^10440423 is an apocalyptic number.

10440423 is a deficient number, since it is larger than the sum of its proper divisors (6794665).

10440423 is a wasteful number, since it uses less digits than its factorization.

10440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165734 (or 165731 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 10440423 is about 3231.1643412244. The cubic root of 10440423 is about 218.5610146811.

Adding to 10440423 its reverse (32404401), we get a palindrome (42844824).

The spelling of 10440423 in words is "ten million, four hundred forty thousand, four hundred twenty-three".