238053291523 has 4 divisors (see below), whose sum is σ = 238061134960. Its totient is φ = 238045448088.

The previous prime is 238053291499. The next prime is 238053291529. The reversal of 238053291523 is 325192350832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238053291523 - 2¹³ = 238053283331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238053291523.

It is not an unprimeable number, because it can be changed into a prime (238053291529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3876015 + ... + 3936952.

It is an arithmetic number, because the mean of its divisors is an integer number (59515283740).

Almost surely, 2^238053291523 is an apocalyptic number.

238053291523 is a deficient number, since it is larger than the sum of its proper divisors (7843437).

238053291523 is an equidigital number, since it uses as much as digits as its factorization.

238053291523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7843436.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 238053291523 in words is "two hundred thirty-eight billion, fifty-three million, two hundred ninety-one thousand, five hundred twenty-three".