238323146047 has 16 divisors (see below), whose sum is σ = 288574831872. Its totient is φ = 192138157440.

The previous prime is 238323146021. The next prime is 238323146099. The reversal of 238323146047 is 740641323832.

It is a cyclic number.

It is not a de Polignac number, because 238323146047 - 2⁷ = 238323145919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238323145994 and 238323146012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238323146947) 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, 450453 + ... + 824350.

It is an arithmetic number, because the mean of its divisors is an integer number (18035926992).

Almost surely, 2^238323146047 is an apocalyptic number.

238323146047 is a deficient number, since it is larger than the sum of its proper divisors (50251685825).

238323146047 is a wasteful number, since it uses less digits than its factorization.

238323146047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276398.

The product of its (nonzero) digits is 580608, while the sum is 43.

Adding to 238323146047 its reverse (740641323832), we get a palindrome (978964469879).

The spelling of 238323146047 in words is "two hundred thirty-eight billion, three hundred twenty-three million, one hundred forty-six thousand, forty-seven".