1023685873 has 8 divisors (see below), whose sum is σ = 1170624960. Its totient is φ = 876921360.

The previous prime is 1023685867. The next prime is 1023685891. The reversal of 1023685873 is 3785863201.

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

It is not a de Polignac number, because 1023685873 - 2⁵ = 1023685841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023685823) 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, 30823 + ... + 54748.

It is an arithmetic number, because the mean of its divisors is an integer number (146328120).

Almost surely, 2^1023685873 is an apocalyptic number.

It is an amenable number.

1023685873 is a deficient number, since it is larger than the sum of its proper divisors (146939087).

1023685873 is an equidigital number, since it uses as much as digits as its factorization.

1023685873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87287.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1023685873 is about 31995.0913891491. The cubic root of 1023685873 is about 1007.8337629116.

It can be divided in two parts, 102368 and 5873, that added together give a square (108241 = 329²).

The spelling of 1023685873 in words is "one billion, twenty-three million, six hundred eighty-five thousand, eight hundred seventy-three".