1238278234067 has 16 divisors (see below), whose sum is σ = 1420420689600. Its totient is φ = 1057448286720.

The previous prime is 1238278234051. The next prime is 1238278234099. The reversal of 1238278234067 is 7604328728321.

It is not a de Polignac number, because 1238278234067 - 2⁴ = 1238278234051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238278231067) 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, 14452109 + ... + 14537537.

It is an arithmetic number, because the mean of its divisors is an integer number (88776293100).

Almost surely, 2^{1238278234067} is an apocalyptic number.

1238278234067 is a deficient number, since it is larger than the sum of its proper divisors (182142455533).

1238278234067 is an equidigital number, since it uses as much as digits as its factorization.

1238278234067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93086.

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 1238278234067 in words is "one trillion, two hundred thirty-eight billion, two hundred seventy-eight million, two hundred thirty-four thousand, sixty-seven".