1010023646 has 12 divisors (see below), whose sum is σ = 1551093912. Its totient is φ = 493265556.

The previous prime is 1010023639. The next prime is 1010023667. The reversal of 1010023646 is 6463200101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132866 + ... + 140261.

It is an arithmetic number, because the mean of its divisors is an integer number (129257826).

Almost surely, 2^1010023646 is an apocalyptic number.

1010023646 is a deficient number, since it is larger than the sum of its proper divisors (541070266).

1010023646 is an equidigital number, since it uses as much as digits as its factorization.

1010023646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273215 (or 273172 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1010023646 is about 31780.8691825759. The cubic root of 1010023646 is about 1003.3301133684.

Adding to 1010023646 its reverse (6463200101), we get a palindrome (7473223747).

The spelling of 1010023646 in words is "one billion, ten million, twenty-three thousand, six hundred forty-six".