2122307523 has 96 divisors (see below), whose sum is σ = 3874590720. Its totient is φ = 1091543040.

The previous prime is 2122307507. The next prime is 2122307569. The reversal of 2122307523 is 3257032212.

It is a happy number.

It is not a de Polignac number, because 2122307523 - 2⁴ = 2122307507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122307573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3220168 + ... + 3220826.

It is an arithmetic number, because the mean of its divisors is an integer number (40360320).

Almost surely, 2^2122307523 is an apocalyptic number.

2122307523 is a deficient number, since it is larger than the sum of its proper divisors (1752283197).

2122307523 is a wasteful number, since it uses less digits than its factorization.

2122307523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2122307523 is about 46068.5090164637. The cubic root of 2122307523 is about 1285.0975763035.

Adding to 2122307523 its reverse (3257032212), we get a palindrome (5379339735).

It can be divided in two parts, 2122307 and 523, that added together give a triangular number (2122830 = T₂₀₆₀).

The spelling of 2122307523 in words is "two billion, one hundred twenty-two million, three hundred seven thousand, five hundred twenty-three".