1023763648 has 14 divisors (see below), whose sum is σ = 2031531116. Its totient is φ = 511881792.

The previous prime is 1023763639. The next prime is 1023763661. The reversal of 1023763648 is 8463673201.

It is a self number, because there is not a number n which added to its sum of digits gives 1023763648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7998090 + ... + 7998217.

Almost surely, 2^1023763648 is an apocalyptic number.

It is an amenable number.

1023763648 is a deficient number, since it is larger than the sum of its proper divisors (1007767468).

1023763648 is an equidigital number, since it uses as much as digits as its factorization.

1023763648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15996319 (or 15996309 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1023763648 is about 31996.3067868778. The cubic root of 1023763648 is about 1007.8592858082.

The spelling of 1023763648 in words is "one billion, twenty-three million, seven hundred sixty-three thousand, six hundred forty-eight".