6423123 has 32 divisors (see below), whose sum is σ = 10368000. Its totient is φ = 3459456.

The previous prime is 6423119. The next prime is 6423149. The reversal of 6423123 is 3213246.

It is a happy number.

6423123 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 6423123 - 2² = 6423119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 6423123.

It is not an unprimeable number, because it can be changed into a prime (6423173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32178 + ... + 32376.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

Almost surely, 2^6423123 is an apocalyptic number.

6423123 is a deficient number, since it is larger than the sum of its proper divisors (3944877).

6423123 is a wasteful number, since it uses less digits than its factorization.

6423123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291.

The product of its digits is 864, while the sum is 21.

The square root of 6423123 is about 2534.3880918281. The cubic root of 6423123 is about 185.8868834706.

Adding to 6423123 its reverse (3213246), we get a palindrome (9636369).

The spelling of 6423123 in words is "six million, four hundred twenty-three thousand, one hundred twenty-three".