234421312443 has 16 divisors (see below), whose sum is σ = 320412913920. Its totient is φ = 152391474144.

The previous prime is 234421312343. The next prime is 234421312483. The reversal of 234421312443 is 344213124432.

It is not a de Polignac number, because 234421312443 - 2⁸ = 234421312187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234421312483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4496623 + ... + 4548456.

It is an arithmetic number, because the mean of its divisors is an integer number (20025807120).

Almost surely, 2^234421312443 is an apocalyptic number.

234421312443 is a deficient number, since it is larger than the sum of its proper divisors (85991601477).

234421312443 is a wasteful number, since it uses less digits than its factorization.

234421312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045298.

The product of its digits is 55296, while the sum is 33.

Adding to 234421312443 its reverse (344213124432), we get a palindrome (578634436875).

It can be divided in two parts, 2 and 34421312443, that multiplied together give a palindrome (68842624886).

The spelling of 234421312443 in words is "two hundred thirty-four billion, four hundred twenty-one million, three hundred twelve thousand, four hundred forty-three".