5164400123 has 2 divisors, whose sum is σ = 5164400124. Its totient is φ = 5164400122.

The previous prime is 5164400119. The next prime is 5164400159. The reversal of 5164400123 is 3210044615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5164400123 - 2² = 5164400119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5164400092 and 5164400101.

It is not a weakly prime, because it can be changed into another prime (5164400173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582200061 + 2582200062.

It is an arithmetic number, because the mean of its divisors is an integer number (2582200062).

Almost surely, 2^5164400123 is an apocalyptic number.

5164400123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5164400123 is an equidigital number, since it uses as much as digits as its factorization.

5164400123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5164400123 is about 71863.7608464795. The cubic root of 5164400123 is about 1728.5155634822.

Adding to 5164400123 its reverse (3210044615), we get a palindrome (8374444738).

The spelling of 5164400123 in words is "five billion, one hundred sixty-four million, four hundred thousand, one hundred twenty-three".