1023683969 has 8 divisors (see below), whose sum is σ = 1276281408. Its totient is φ = 797675760.

The previous prime is 1023683959. The next prime is 1023683981. The reversal of 1023683969 is 9693863201.

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

It is a de Polignac number, because none of the positive numbers 2^k-1023683969 is a prime.

It is a super-2 number, since 2×1023683969² = 2095857736775185922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023683959) 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, 6647222 + ... + 6647375.

It is an arithmetic number, because the mean of its divisors is an integer number (159535176).

Almost surely, 2^1023683969 is an apocalyptic number.

It is an amenable number.

1023683969 is a deficient number, since it is larger than the sum of its proper divisors (252597439).

1023683969 is a wasteful number, since it uses less digits than its factorization.

1023683969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294615.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 1023683969 is about 31995.0616345710. The cubic root of 1023683969 is about 1007.8331380726.

The spelling of 1023683969 in words is "one billion, twenty-three million, six hundred eighty-three thousand, nine hundred sixty-nine".