5213531123 has 2 divisors, whose sum is σ = 5213531124. Its totient is φ = 5213531122.

The previous prime is 5213531111. The next prime is 5213531143. The reversal of 5213531123 is 3211353125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5213531123 - 2⁴ = 5213531107 is a prime.

It is a super-2 number, since 2×5213531123² = 54361813540979282258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5213531092 and 5213531101.

It is not a weakly prime, because it can be changed into another prime (5213531143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606765561 + 2606765562.

It is an arithmetic number, because the mean of its divisors is an integer number (2606765562).

Almost surely, 2^5213531123 is an apocalyptic number.

5213531123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5213531123 is an equidigital number, since it uses as much as digits as its factorization.

5213531123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 26.

The square root of 5213531123 is about 72204.7860117319. The cubic root of 5213531123 is about 1733.9796255323.

Adding to 5213531123 its reverse (3211353125), we get a palindrome (8424884248).

The spelling of 5213531123 in words is "five billion, two hundred thirteen million, five hundred thirty-one thousand, one hundred twenty-three".