1023816793 has 4 divisors (see below), whose sum is σ = 1041169680. Its totient is φ = 1006463908.

The previous prime is 1023816791. The next prime is 1023816797. The reversal of 1023816793 is 3976183201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3976183201 = 2503 ⋅1588567.

It is a cyclic number.

It is not a de Polignac number, because 1023816793 - 2¹ = 1023816791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023816791) 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, 8676355 + ... + 8676472.

It is an arithmetic number, because the mean of its divisors is an integer number (260292420).

Almost surely, 2^1023816793 is an apocalyptic number.

It is an amenable number.

1023816793 is a deficient number, since it is larger than the sum of its proper divisors (17352887).

1023816793 is an equidigital number, since it uses as much as digits as its factorization.

1023816793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17352886.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1023816793 is about 31997.1372625740. The cubic root of 1023816793 is about 1007.8767253005.

Adding to 1023816793 its reverse (3976183201), we get a palindrome (4999999994).

The spelling of 1023816793 in words is "one billion, twenty-three million, eight hundred sixteen thousand, seven hundred ninety-three".