2003423155 has 8 divisors (see below), whose sum is σ = 2404393200. Its totient is φ = 1602548256.

The previous prime is 2003423131. The next prime is 2003423171. The reversal of 2003423155 is 5513243002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003423155 - 2²⁵ = 1969868723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36381 + ... + 73009.

It is an arithmetic number, because the mean of its divisors is an integer number (300549150).

Almost surely, 2^2003423155 is an apocalyptic number.

2003423155 is a deficient number, since it is larger than the sum of its proper divisors (400970045).

2003423155 is a wasteful number, since it uses less digits than its factorization.

2003423155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47573.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2003423155 is about 44759.6152239941. The cubic root of 2003423155 is about 1260.6394576874.

Adding to 2003423155 its reverse (5513243002), we get a palindrome (7516666157).

The spelling of 2003423155 in words is "two billion, three million, four hundred twenty-three thousand, one hundred fifty-five".