238747860423 has 8 divisors (see below), whose sum is σ = 353700534000. Its totient is φ = 159165240264.

The previous prime is 238747860401. The next prime is 238747860431. The reversal of 238747860423 is 324068747832.

It is a happy number.

238747860423 is a `hidden beast` number, since 2 + 3 + 8 + 7 + 4 + 7 + 8 + 604 + 23 = 666.

It is not a de Polignac number, because 238747860423 - 2³³ = 230157925831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238747860423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238747860433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421256648 + ... + 4421256701.

It is an arithmetic number, because the mean of its divisors is an integer number (44212566750).

Almost surely, 2^238747860423 is an apocalyptic number.

238747860423 is a deficient number, since it is larger than the sum of its proper divisors (114952673577).

238747860423 is an equidigital number, since it uses as much as digits as its factorization.

238747860423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8842513358 (or 8842513352 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 238747860423 in words is "two hundred thirty-eight billion, seven hundred forty-seven million, eight hundred sixty thousand, four hundred twenty-three".