234123947448 has 128 divisors (see below), whose sum is σ = 601897374720. Its totient is φ = 75854338560.

The previous prime is 234123947429. The next prime is 234123947461. The reversal of 234123947448 is 844749321432.

It is a self number, because there is not a number n which added to its sum of digits gives 234123947448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161130690 + ... + 161132142.

It is an arithmetic number, because the mean of its divisors is an integer number (4702323240).

Almost surely, 2^234123947448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234123947448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300948687360).

234123947448 is an abundant number, since it is smaller than the sum of its proper divisors (367773427272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234123947448 is a wasteful number, since it uses less digits than its factorization.

234123947448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397 (or 2393 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 51.

The spelling of 234123947448 in words is "two hundred thirty-four billion, one hundred twenty-three million, nine hundred forty-seven thousand, four hundred forty-eight".