1523268768 has 48 divisors (see below), whose sum is σ = 4569808320. Its totient is φ = 435219456.

The previous prime is 1523268767. The next prime is 1523268781. The reversal of 1523268768 is 8678623251.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1523268767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132713 + ... + 1134056.

It is an arithmetic number, because the mean of its divisors is an integer number (95204340).

Almost surely, 2^1523268768 is an apocalyptic number.

It is an amenable number.

1523268768 is an abundant number, since it is smaller than the sum of its proper divisors (3046539552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1523268768 is a wasteful number, since it uses less digits than its factorization.

1523268768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266789 (or 2266781 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 1523268768 is about 39029.0759306443. The cubic root of 1523268768 is about 1150.6030279051.

The spelling of 1523268768 in words is "one billion, five hundred twenty-three million, two hundred sixty-eight thousand, seven hundred sixty-eight".