5402123 has 2 divisors, whose sum is σ = 5402124. Its totient is φ = 5402122.

The previous prime is 5402113. The next prime is 5402129. The reversal of 5402123 is 3212045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5402123 - 2⁸ = 5401867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5402129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701061 + 2701062.

It is an arithmetic number, because the mean of its divisors is an integer number (2701062).

Almost surely, 2^5402123 is an apocalyptic number.

5402123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402123 is an equidigital number, since it uses as much as digits as its factorization.

5402123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5402123 is about 2324.2467597052. The cubic root of 5402123 is about 175.4640527236.

Adding to 5402123 its reverse (3212045), we get a palindrome (8614168).

The spelling of 5402123 in words is "five million, four hundred two thousand, one hundred twenty-three".