231423421400044 has 24 divisors (see below), whose sum is σ = 415182873437136. Its totient is φ = 112804016160000.

The previous prime is 231423421399979. The next prime is 231423421400063. The reversal of 231423421400044 is 440004124324132.

It is a junction number, because it is equal to n+sod(n) for n = 231423421399982 and 231423421400009.

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, 533893282 + ... + 534326569.

It is an arithmetic number, because the mean of its divisors is an integer number (17299286393214).

Almost surely, 2^{231423421400044} is an apocalyptic number.

It is an amenable number.

231423421400044 is a deficient number, since it is larger than the sum of its proper divisors (183759452037092).

231423421400044 is a wasteful number, since it uses less digits than its factorization.

231423421400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068221217 (or 1068221215 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 231423421400044 its reverse (440004124324132), we get a palindrome (671427545724176).

The spelling of 231423421400044 in words is "two hundred thirty-one trillion, four hundred twenty-three billion, four hundred twenty-one million, four hundred thousand, forty-four".