525313312123 has 2 divisors, whose sum is σ = 525313312124. Its totient is φ = 525313312122.

The previous prime is 525313312093. The next prime is 525313312217. The reversal of 525313312123 is 321213313525.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525313312123 is a prime.

It is not a weakly prime, because it can be changed into another prime (525313313123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262656656061 + 262656656062.

It is an arithmetic number, because the mean of its divisors is an integer number (262656656062).

Almost surely, 2^525313312123 is an apocalyptic number.

525313312123 is a deficient number, since it is larger than the sum of its proper divisors (1).

525313312123 is an equidigital number, since it uses as much as digits as its factorization.

525313312123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

Adding to 525313312123 its reverse (321213313525), we get a palindrome (846526625648).

The spelling of 525313312123 in words is "five hundred twenty-five billion, three hundred thirteen million, three hundred twelve thousand, one hundred twenty-three".