234505724231 has 4 divisors (see below), whose sum is σ = 237474151200. Its totient is φ = 231537297264.

The previous prime is 234505724197. The next prime is 234505724237. The reversal of 234505724231 is 132427505432.

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-234505724231 is a prime.

It is a super-3 number, since 3×234505724231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234505724237) 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, 1484213366 + ... + 1484213523.

It is an arithmetic number, because the mean of its divisors is an integer number (59368537800).

Almost surely, 2^234505724231 is an apocalyptic number.

234505724231 is a deficient number, since it is larger than the sum of its proper divisors (2968426969).

234505724231 is an equidigital number, since it uses as much as digits as its factorization.

234505724231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968426968.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 234505724231 in words is "two hundred thirty-four billion, five hundred five million, seven hundred twenty-four thousand, two hundred thirty-one".