234421002043 has 4 divisors (see below), whose sum is σ = 234423197008. Its totient is φ = 234418807080.

The previous prime is 234421002029. The next prime is 234421002047. The reversal of 234421002043 is 340200124432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234421002043 - 2²¹ = 234418904891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234421001999 and 234421002017.

It is not an unprimeable number, because it can be changed into a prime (234421002047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928623 + ... + 1153768.

It is an arithmetic number, because the mean of its divisors is an integer number (58605799252).

Almost surely, 2^234421002043 is an apocalyptic number.

234421002043 is a deficient number, since it is larger than the sum of its proper divisors (2194965).

234421002043 is a wasteful number, since it uses less digits than its factorization.

234421002043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194964.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 234421002043 its reverse (340200124432), we get a palindrome (574621126475).

The spelling of 234421002043 in words is "two hundred thirty-four billion, four hundred twenty-one million, two thousand, forty-three".