10040423 has 4 divisors (see below), whose sum is σ = 10055448. Its totient is φ = 10025400.

The previous prime is 10040413. The next prime is 10040447. The reversal of 10040423 is 32404001.

10040423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10040423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10040398 and 10040407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040413) 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, 6461 + ... + 7862.

It is an arithmetic number, because the mean of its divisors is an integer number (2513862).

Almost surely, 2^10040423 is an apocalyptic number.

10040423 is a deficient number, since it is larger than the sum of its proper divisors (15025).

10040423 is an equidigital number, since it uses as much as digits as its factorization.

10040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 10040423 is about 3168.6626516561. The cubic root of 10040423 is about 215.7333744367.

Adding to 10040423 its reverse (32404001), we get a palindrome (42444424).

The spelling of 10040423 in words is "ten million, forty thousand, four hundred twenty-three".