235157044723 has 4 divisors (see below), whose sum is σ = 236873519640. Its totient is φ = 233440569808.

The previous prime is 235157044721. The next prime is 235157044739. The reversal of 235157044723 is 327440751532.

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 235157044723 - 2¹ = 235157044721 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 235157044723.

It is not an unprimeable number, because it can be changed into a prime (235157044721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858237253 + ... + 858237526.

It is an arithmetic number, because the mean of its divisors is an integer number (59218379910).

Almost surely, 2^235157044723 is an apocalyptic number.

235157044723 is a deficient number, since it is larger than the sum of its proper divisors (1716474917).

235157044723 is a wasteful number, since it uses less digits than its factorization.

235157044723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716474916.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 235157044723 in words is "two hundred thirty-five billion, one hundred fifty-seven million, forty-four thousand, seven hundred twenty-three".