2003423331 has 32 divisors (see below), whose sum is σ = 3329320960. Its totient is φ = 1043362944.

The previous prime is 2003423321. The next prime is 2003423333. The reversal of 2003423331 is 1333243002.

It is not a de Polignac number, because 2003423331 - 2⁵ = 2003423299 is a prime.

It is a super-2 number, since 2×2003423331² = 8027410086390271122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2003423298 and 2003423307.

It is not an unprimeable number, because it can be changed into a prime (2003423333) 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 31 ways as a sum of consecutive naturals, for example, 24880 + ... + 68013.

It is an arithmetic number, because the mean of its divisors is an integer number (104041280).

Almost surely, 2^2003423331 is an apocalyptic number.

2003423331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2003423331 is a deficient number, since it is larger than the sum of its proper divisors (1325897629).

2003423331 is a wasteful number, since it uses less digits than its factorization.

2003423331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92995.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2003423331 is about 44759.6171900520. The cubic root of 2003423331 is about 1260.6394946029.

Adding to 2003423331 its reverse (1333243002), we get a palindrome (3336666333).

It can be divided in two parts, 20034 and 23331, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 2003423331 in words is "two billion, three million, four hundred twenty-three thousand, three hundred thirty-one".