1383237963 has 24 divisors (see below), whose sum is σ = 2207526048. Its totient is φ = 830176512.

The previous prime is 1383237959. The next prime is 1383237967. The reversal of 1383237963 is 3697323831.

It is an interprime number because it is at equal distance from previous prime (1383237959) and next prime (1383237967).

It is not a de Polignac number, because 1383237963 - 2² = 1383237959 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1383237967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193020 + ... + 200057.

It is an arithmetic number, because the mean of its divisors is an integer number (91980252).

Almost surely, 2^1383237963 is an apocalyptic number.

1383237963 is a deficient number, since it is larger than the sum of its proper divisors (824288085).

1383237963 is a wasteful number, since it uses less digits than its factorization.

1383237963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393123 (or 393120 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 1383237963 is about 37191.9072245563. The cubic root of 1383237963 is about 1114.2063602337.

The spelling of 1383237963 in words is "one billion, three hundred eighty-three million, two hundred thirty-seven thousand, nine hundred sixty-three".