2523923081 has 2 divisors, whose sum is σ = 2523923082. Its totient is φ = 2523923080.

The previous prime is 2523923057. The next prime is 2523923111. The reversal of 2523923081 is 1803293252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1388233081 + 1135690000 = 37259^2 + 33700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523923081 - 2²² = 2519728777 is a prime.

It is a super-2 number, since 2×2523923081² = 12740375437609065122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2513923081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261961540 + 1261961541.

It is an arithmetic number, because the mean of its divisors is an integer number (1261961541).

Almost surely, 2^2523923081 is an apocalyptic number.

It is an amenable number.

2523923081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523923081 is an equidigital number, since it uses as much as digits as its factorization.

2523923081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2523923081 is about 50238.6612182291. The cubic root of 2523923081 is about 1361.5242212006.

The spelling of 2523923081 in words is "two billion, five hundred twenty-three million, nine hundred twenty-three thousand, eighty-one".