6340123 has 4 divisors (see below), whose sum is σ = 6427048. Its totient is φ = 6253200.

The previous prime is 6340109. The next prime is 6340127. The reversal of 6340123 is 3210436.

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

It is a cyclic number.

It is not a de Polignac number, because 6340123 - 2⁹ = 6339611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6340123.

It is not an unprimeable number, because it can be changed into a prime (6340127) 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, 43353 + ... + 43498.

It is an arithmetic number, because the mean of its divisors is an integer number (1606762).

Almost surely, 2^6340123 is an apocalyptic number.

6340123 is a deficient number, since it is larger than the sum of its proper divisors (86925).

6340123 is an equidigital number, since it uses as much as digits as its factorization.

6340123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86924.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 6340123 is about 2517.9600870546. The cubic root of 6340123 is about 185.0827290087.

Adding to 6340123 its reverse (3210436), we get a palindrome (9550559).

It can be divided in two parts, 63 and 40123, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 6340123 in words is "six million, three hundred forty thousand, one hundred twenty-three".