1648350523 has 4 divisors (see below), whose sum is σ = 1648457968. Its totient is φ = 1648243080.

The previous prime is 1648350469. The next prime is 1648350527. The reversal of 1648350523 is 3250538461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1648350523 - 2¹³ = 1648342331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1648350527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25911 + ... + 62992.

It is an arithmetic number, because the mean of its divisors is an integer number (412114492).

Almost surely, 2^1648350523 is an apocalyptic number.

1648350523 is a deficient number, since it is larger than the sum of its proper divisors (107445).

1648350523 is an equidigital number, since it uses as much as digits as its factorization.

1648350523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107444.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1648350523 is about 40599.8832880096. The cubic root of 1648350523 is about 1181.2718554489.

Adding to 1648350523 its reverse (3250538461), we get a palindrome (4898888984).

The spelling of 1648350523 in words is "one billion, six hundred forty-eight million, three hundred fifty thousand, five hundred twenty-three".