2001423505232 has 20 divisors (see below), whose sum is σ = 3877932942240. Its totient is φ = 1000666616928.

The previous prime is 2001423505189. The next prime is 2001423505243. The reversal of 2001423505232 is 2325053241002.

It is a junction number, because it is equal to n+sod(n) for n = 2001423505195 and 2001423505204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453708 + ... + 3165995.

It is an arithmetic number, because the mean of its divisors is an integer number (193896647112).

Almost surely, 2^{2001423505232} is an apocalyptic number.

It is an amenable number.

2001423505232 is a deficient number, since it is larger than the sum of its proper divisors (1876509437008).

2001423505232 is a wasteful number, since it uses less digits than its factorization.

2001423505232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641970 (or 5641964 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 2001423505232 its reverse (2325053241002), we get a palindrome (4326476746234).

The spelling of 2001423505232 in words is "two trillion, one billion, four hundred twenty-three million, five hundred five thousand, two hundred thirty-two".