1012433123 has 16 divisors (see below), whose sum is σ = 1164307200. Its totient is φ = 873210240.

The previous prime is 1012433119. The next prime is 1012433137. The reversal of 1012433123 is 3213342101.

It is a cyclic number.

It is not a de Polignac number, because 1012433123 - 2² = 1012433119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012433095 and 1012433104.

It is not an unprimeable number, because it can be changed into a prime (1012433173) 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 15 ways as a sum of consecutive naturals, for example, 31628 + ... + 55001.

It is an arithmetic number, because the mean of its divisors is an integer number (72769200).

Almost surely, 2^1012433123 is an apocalyptic number.

1012433123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012433123 is a deficient number, since it is larger than the sum of its proper divisors (151874077).

1012433123 is a wasteful number, since it uses less digits than its factorization.

1012433123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86702.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1012433123 is about 31818.7542653700. The cubic root of 1012433123 is about 1004.1273161587.

Adding to 1012433123 its reverse (3213342101), we get a palindrome (4225775224).

The spelling of 1012433123 in words is "one billion, twelve million, four hundred thirty-three thousand, one hundred twenty-three".