2120503523 has 2 divisors, whose sum is σ = 2120503524. Its totient is φ = 2120503522.

The previous prime is 2120503501. The next prime is 2120503529. The reversal of 2120503523 is 3253050212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120503523 - 2⁶ = 2120503459 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120503529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060251761 + 1060251762.

It is an arithmetic number, because the mean of its divisors is an integer number (1060251762).

Almost surely, 2^2120503523 is an apocalyptic number.

2120503523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120503523 is an equidigital number, since it uses as much as digits as its factorization.

2120503523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2120503523 is about 46048.9253186217. The cubic root of 2120503523 is about 1284.7333543135.

Adding to 2120503523 its reverse (3253050212), we get a palindrome (5373553735).

The spelling of 2120503523 in words is "two billion, one hundred twenty million, five hundred three thousand, five hundred twenty-three".