1963338923 has 8 divisors (see below), whose sum is σ = 2416417248. Its totient is φ = 1553410944.

The previous prime is 1963338919. The next prime is 1963338941. The reversal of 1963338923 is 3298333691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1963338923 - 2² = 1963338919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1963335923) 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, 10787486 + ... + 10787667.

It is an arithmetic number, because the mean of its divisors is an integer number (302052156).

Almost surely, 2^1963338923 is an apocalyptic number.

1963338923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1963338923 is a deficient number, since it is larger than the sum of its proper divisors (453078325).

1963338923 is a wasteful number, since it uses less digits than its factorization.

1963338923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21575173.

The product of its digits is 629856, while the sum is 47.

The square root of 1963338923 is about 44309.5804877455. The cubic root of 1963338923 is about 1252.1751829079.

The spelling of 1963338923 in words is "one billion, nine hundred sixty-three million, three hundred thirty-eight thousand, nine hundred twenty-three".