1523644053 has 16 divisors (see below), whose sum is σ = 2125806336. Its totient is φ = 969658560.

The previous prime is 1523644049. The next prime is 1523644061. The reversal of 1523644053 is 3504463251.

It is not a de Polignac number, because 1523644053 - 2² = 1523644049 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523644013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123613 + ... + 135378.

It is an arithmetic number, because the mean of its divisors is an integer number (132862896).

Almost surely, 2^1523644053 is an apocalyptic number.

It is an amenable number.

1523644053 is a deficient number, since it is larger than the sum of its proper divisors (602162283).

1523644053 is a wasteful number, since it uses less digits than its factorization.

1523644053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259084.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 1523644053 is about 39033.8833963519. The cubic root of 1523644053 is about 1150.6975108159.

The spelling of 1523644053 in words is "one billion, five hundred twenty-three million, six hundred forty-four thousand, fifty-three".