1011423530 has 16 divisors (see below), whose sum is σ = 1960605864. Its totient is φ = 373448640.

The previous prime is 1011423509. The next prime is 1011423533. The reversal of 1011423530 is 353241101.

It can be written as a sum of positive squares in 4 ways, for example, as 847916161 + 163507369 = 29119^2 + 12787^2 .

It is not an unprimeable number, because it can be changed into a prime (1011423533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3889961 + ... + 3890220.

Almost surely, 2^1011423530 is an apocalyptic number.

1011423530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011423530 is a deficient number, since it is larger than the sum of its proper divisors (949182334).

1011423530 is a wasteful number, since it uses less digits than its factorization.

1011423530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780201.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1011423530 is about 31802.8855609047. The cubic root of 1011423530 is about 1003.7934349883.

Adding to 1011423530 its reverse (353241101), we get a palindrome (1364664631).

The spelling of 1011423530 in words is "one billion, eleven million, four hundred twenty-three thousand, five hundred thirty".