1023383903 has 4 divisors (see below), whose sum is σ = 1048344528. Its totient is φ = 998423280.

The previous prime is 1023383897. The next prime is 1023383917. The reversal of 1023383903 is 3093833201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023383903 - 2¹⁰ = 1023382879 is a prime.

It is a super-2 number, since 2×1023383903² = 2094629225839026818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023383903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023383953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12480251 + ... + 12480332.

It is an arithmetic number, because the mean of its divisors is an integer number (262086132).

Almost surely, 2^1023383903 is an apocalyptic number.

1023383903 is a deficient number, since it is larger than the sum of its proper divisors (24960625).

1023383903 is an equidigital number, since it uses as much as digits as its factorization.

1023383903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24960624.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1023383903 is about 31990.3720359736. The cubic root of 1023383903 is about 1007.7346552006.

The spelling of 1023383903 in words is "one billion, twenty-three million, three hundred eighty-three thousand, nine hundred three".