1023129983 has 4 divisors (see below), whose sum is σ = 1056134208. Its totient is φ = 990125760.

The previous prime is 1023129971. The next prime is 1023130001. The reversal of 1023129983 is 3899213201.

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 1023129983 - 2²⁰ = 1022081407 is a prime.

It is a super-2 number, since 2×1023129983² = 2093589924227160578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023929983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16502066 + ... + 16502127.

It is an arithmetic number, because the mean of its divisors is an integer number (264033552).

Almost surely, 2^1023129983 is an apocalyptic number.

1023129983 is a deficient number, since it is larger than the sum of its proper divisors (33004225).

1023129983 is an equidigital number, since it uses as much as digits as its factorization.

1023129983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33004224.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1023129983 is about 31986.4030956905. The cubic root of 1023129983 is about 1007.6513025933.

The spelling of 1023129983 in words is "one billion, twenty-three million, one hundred twenty-nine thousand, nine hundred eighty-three".