234452237378 has 18 divisors (see below), whose sum is σ = 355766675481. Its totient is φ = 115878841584.

The previous prime is 234452237311. The next prime is 234452237387. The reversal of 234452237378 is 873732254432.

It can be written as a sum of positive squares in 2 ways, for example, as 209574430849 + 24877806529 = 457793^2 + 157727^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=342383.

It is a super-2 number, since 2×234452237378² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60942251 + ... + 60946097.

Almost surely, 2^234452237378 is an apocalyptic number.

234452237378 is a deficient number, since it is larger than the sum of its proper divisors (121314438103).

234452237378 is an frugal number, since it uses more digits than its factorization.

234452237378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7874 (or 3938 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 50.

Multiplying 234452237378 by its sum of digits (50), we get a square (11722611868900 = 3423830²).

The spelling of 234452237378 in words is "two hundred thirty-four billion, four hundred fifty-two million, two hundred thirty-seven thousand, three hundred seventy-eight".