1023868173 has 4 divisors (see below), whose sum is σ = 1365157568. Its totient is φ = 682578780.

The previous prime is 1023868169. The next prime is 1023868187. The reversal of 1023868173 is 3718683201.

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 1023868173 - 2² = 1023868169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023868073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170644693 + ... + 170644698.

It is an arithmetic number, because the mean of its divisors is an integer number (341289392).

Almost surely, 2^1023868173 is an apocalyptic number.

It is an amenable number.

1023868173 is a deficient number, since it is larger than the sum of its proper divisors (341289395).

1023868173 is an equidigital number, since it uses as much as digits as its factorization.

1023868173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341289394.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1023868173 is about 31997.9401368276. The cubic root of 1023868173 is about 1007.8935850357.

The spelling of 1023868173 in words is "one billion, twenty-three million, eight hundred sixty-eight thousand, one hundred seventy-three".