6140023 has 2 divisors, whose sum is σ = 6140024. Its totient is φ = 6140022.

The previous prime is 6139999. The next prime is 6140041. The reversal of 6140023 is 3200416.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6140023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6139979 and 6140006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6140053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070011 + 3070012.

It is an arithmetic number, because the mean of its divisors is an integer number (3070012).

Almost surely, 2^6140023 is an apocalyptic number.

6140023 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140023 is an equidigital number, since it uses as much as digits as its factorization.

6140023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6140023 is about 2477.9069796907. The cubic root of 6140023 is about 183.1147518018.

Adding to 6140023 its reverse (3200416), we get a palindrome (9340439).

The spelling of 6140023 in words is "six million, one hundred forty thousand, twenty-three".