1023309669 has 4 divisors (see below), whose sum is σ = 1364412896. Its totient is φ = 682206444.

The previous prime is 1023309653. The next prime is 1023309691. The reversal of 1023309669 is 9669033201.

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.

It is not a de Polignac number, because 1023309669 - 2⁴ = 1023309653 is a prime.

It is a super-2 number, since 2×1023309669² = 2094325357337779122, 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 (1023309649) 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, 170551609 + ... + 170551614.

It is an arithmetic number, because the mean of its divisors is an integer number (341103224).

Almost surely, 2^1023309669 is an apocalyptic number.

It is an amenable number.

1023309669 is a deficient number, since it is larger than the sum of its proper divisors (341103227).

1023309669 is an equidigital number, since it uses as much as digits as its factorization.

1023309669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341103226.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 1023309669 is about 31989.2117595917. The cubic root of 1023309669 is about 1007.7102883320.

The spelling of 1023309669 in words is "one billion, twenty-three million, three hundred nine thousand, six hundred sixty-nine".