1005423632 has 10 divisors (see below), whose sum is σ = 1948008318. Its totient is φ = 502711808.

The previous prime is 1005423631. The next prime is 1005423637. The reversal of 1005423632 is 2363245001.

1005423632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 850072336 + 155351296 = 29156^2 + 12464^2 .

It is not an unprimeable number, because it can be changed into a prime (1005423631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31419473 + ... + 31419504.

Almost surely, 2^1005423632 is an apocalyptic number.

It is an amenable number.

1005423632 is a deficient number, since it is larger than the sum of its proper divisors (942584686).

1005423632 is an equidigital number, since it uses as much as digits as its factorization.

1005423632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62838985 (or 62838979 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1005423632 is about 31708.4157913952. The cubic root of 1005423632 is about 1001.8046187256.

Adding to 1005423632 its reverse (2363245001), we get a palindrome (3368668633).

The spelling of 1005423632 in words is "one billion, five million, four hundred twenty-three thousand, six hundred thirty-two".