6432123 has 4 divisors (see below), whose sum is σ = 8576168. Its totient is φ = 4288080.

The previous prime is 6432109. The next prime is 6432131. The reversal of 6432123 is 3212346.

It is a happy number.

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

It is not a de Polignac number, because 6432123 - 2¹⁶ = 6366587 is a prime.

It is a super-3 number, since 3×6432123³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

6432123 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6432123.

It is not an unprimeable number, because it can be changed into a prime (6432163) 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, 1072018 + ... + 1072023.

It is an arithmetic number, because the mean of its divisors is an integer number (2144042).

Almost surely, 2^6432123 is an apocalyptic number.

6432123 is a deficient number, since it is larger than the sum of its proper divisors (2144045).

6432123 is a wasteful number, since it uses less digits than its factorization.

6432123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144044.

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

The square root of 6432123 is about 2536.1630468091. The cubic root of 6432123 is about 185.9736637472.

Adding to 6432123 its reverse (3212346), we get a palindrome (9644469).

It can be divided in two parts, 6432 and 123, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 6432123 in words is "six million, four hundred thirty-two thousand, one hundred twenty-three".