1023383892 has 12 divisors (see below), whose sum is σ = 2387895776. Its totient is φ = 341127960.

The previous prime is 1023383863. The next prime is 1023383897. The reversal of 1023383892 is 2983833201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1023383892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023383897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42640984 + ... + 42641007.

Almost surely, 2^1023383892 is an apocalyptic number.

1023383892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023383892 is an abundant number, since it is smaller than the sum of its proper divisors (1364511884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023383892 is a wasteful number, since it uses less digits than its factorization.

1023383892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85281998 (or 85281996 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1023383892 is about 31990.3718640468. The cubic root of 1023383892 is about 1007.7346515900.

The spelling of 1023383892 in words is "one billion, twenty-three million, three hundred eighty-three thousand, eight hundred ninety-two".