1010023665 has 64 divisors (see below), whose sum is σ = 1896640512. Its totient is φ = 449452800.

The previous prime is 1010023639. The next prime is 1010023667. The reversal of 1010023665 is 5663200101.

It is not a de Polignac number, because 1010023665 - 2⁹ = 1010023153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1010023667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 658950 + ... + 660480.

It is an arithmetic number, because the mean of its divisors is an integer number (29635008).

Almost surely, 2^1010023665 is an apocalyptic number.

1010023665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1010023665 is a deficient number, since it is larger than the sum of its proper divisors (886616847).

1010023665 is a wasteful number, since it uses less digits than its factorization.

1010023665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1010023665 is about 31780.8694814978. The cubic root of 1010023665 is about 1003.3301196597.

Adding to 1010023665 its reverse (5663200101), we get a palindrome (6673223766).

The spelling of 1010023665 in words is "one billion, ten million, twenty-three thousand, six hundred sixty-five".