2113523548 has 12 divisors (see below), whose sum is σ = 3699245592. Its totient is φ = 1056596240.

The previous prime is 2113523543. The next prime is 2113523551. The reversal of 2113523548 is 8453253112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113523543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10015 + ... + 65782.

It is an arithmetic number, because the mean of its divisors is an integer number (308270466).

Almost surely, 2^2113523548 is an apocalyptic number.

It is an amenable number.

2113523548 is a deficient number, since it is larger than the sum of its proper divisors (1585722044).

2113523548 is a wasteful number, since it uses less digits than its factorization.

2113523548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82772 (or 82770 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 2113523548 is about 45973.0741630359. The cubic root of 2113523548 is about 1283.3221699972.

The spelling of 2113523548 in words is "two billion, one hundred thirteen million, five hundred twenty-three thousand, five hundred forty-eight".