235234019971 has 4 divisors (see below), whose sum is σ = 235621556032. Its totient is φ = 234846483912.

The previous prime is 235234019903. The next prime is 235234019989. The reversal of 235234019971 is 179910432532.

It is a happy number.

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 235234019971 - 2⁹ = 235234019459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235234019171) 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, 193767120 + ... + 193768333.

It is an arithmetic number, because the mean of its divisors is an integer number (58905389008).

Almost surely, 2^235234019971 is an apocalyptic number.

235234019971 is a deficient number, since it is larger than the sum of its proper divisors (387536061).

235234019971 is an equidigital number, since it uses as much as digits as its factorization.

235234019971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387536060.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 235234019971 in words is "two hundred thirty-five billion, two hundred thirty-four million, nineteen thousand, nine hundred seventy-one".