1023861944 has 32 divisors (see below), whose sum is σ = 2195203680. Its totient is φ = 438555264.

The previous prime is 1023861929. The next prime is 1023861953. The reversal of 1023861944 is 4491683201.

1023861944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1023861898 and 1023861907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128114 + ... + 135870.

It is an arithmetic number, because the mean of its divisors is an integer number (68600115).

Almost surely, 2^1023861944 is an apocalyptic number.

1023861944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1023861944 is an abundant number, since it is smaller than the sum of its proper divisors (1171341736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023861944 is a wasteful number, since it uses less digits than its factorization.

1023861944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127 (or 10123 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1023861944 is about 31997.8428022890. The cubic root of 1023861944 is about 1007.8915410935.

The spelling of 1023861944 in words is "one billion, twenty-three million, eight hundred sixty-one thousand, nine hundred forty-four".