47235878423231 has 4 divisors (see below), whose sum is σ = 47237503968600. Its totient is φ = 47234252877864.

The previous prime is 47235878423219. The next prime is 47235878423329. The reversal of 47235878423231 is 13232487853274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47235878423231 is a prime.

It is a super-2 number, since 2×47235878423231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47235878423831) 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, 812729096 + ... + 812787213.

It is an arithmetic number, because the mean of its divisors is an integer number (11809375992150).

Almost surely, 2^{47235878423231} is an apocalyptic number.

47235878423231 is a deficient number, since it is larger than the sum of its proper divisors (1625545369).

47235878423231 is a wasteful number, since it uses less digits than its factorization.

47235878423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625545368.

The product of its digits is 54190080, while the sum is 59.

The spelling of 47235878423231 in words is "forty-seven trillion, two hundred thirty-five billion, eight hundred seventy-eight million, four hundred twenty-three thousand, two hundred thirty-one".