2153323544 has 16 divisors (see below), whose sum is σ = 4176705600. Its totient is φ = 1039535392.

The previous prime is 2153323517. The next prime is 2153323597. The reversal of 2153323544 is 4453233512.

It is a self number, because there is not a number n which added to its sum of digits gives 2153323544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4640552 + ... + 4641015.

It is an arithmetic number, because the mean of its divisors is an integer number (261044100).

Almost surely, 2^2153323544 is an apocalyptic number.

It is an amenable number.

2153323544 is a deficient number, since it is larger than the sum of its proper divisors (2023382056).

2153323544 is a wasteful number, since it uses less digits than its factorization.

2153323544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9281602 (or 9281598 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 2153323544 is about 46403.9173346389. The cubic root of 2153323544 is about 1291.3275886500.

The spelling of 2153323544 in words is "two billion, one hundred fifty-three million, three hundred twenty-three thousand, five hundred forty-four".