230639000726 has 4 divisors (see below), whose sum is σ = 345958501092. Its totient is φ = 115319500362.

The previous prime is 230639000723. The next prime is 230639000737. The reversal of 230639000726 is 627000936032.

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

It is a pancake number, because a pancake can be divided into 230639000726 parts by 679174 straight cuts.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230639000726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230639000723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57659750180 + ... + 57659750183.

It is an arithmetic number, because the mean of its divisors is an integer number (86489625273).

Almost surely, 2^230639000726 is an apocalyptic number.

230639000726 is a deficient number, since it is larger than the sum of its proper divisors (115319500366).

230639000726 is a wasteful number, since it uses less digits than its factorization.

230639000726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115319500365.

The product of its (nonzero) digits is 81648, while the sum is 38.

Adding to 230639000726 its reverse (627000936032), we get a palindrome (857639936758).

The spelling of 230639000726 in words is "two hundred thirty billion, six hundred thirty-nine million, seven hundred twenty-six", and thus it is an aban number.