1000123033 has 16 divisors (see below), whose sum is σ = 1231678336. Its totient is φ = 790819200.

The previous prime is 1000123031. The next prime is 1000123043. The reversal of 1000123033 is 3303210001.

It is a cyclic number.

It is not a de Polignac number, because 1000123033 - 2¹ = 1000123031 is a prime.

It is a super-2 number, since 2×1000123033² = 2000492162274238178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1000123031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244858 + ... + 248908.

It is an arithmetic number, because the mean of its divisors is an integer number (76979896).

Almost surely, 2^1000123033 is an apocalyptic number.

1000123033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1000123033 is a deficient number, since it is larger than the sum of its proper divisors (231555303).

1000123033 is a wasteful number, since it uses less digits than its factorization.

1000123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1000123033 is about 31624.7218643896. The cubic root of 1000123033 is about 1000.0410093182.

Adding to 1000123033 its reverse (3303210001), we get a palindrome (4303333034).

The spelling of 1000123033 in words is "one billion, one hundred twenty-three thousand, thirty-three".