230742405731761 has 12 divisors (see below), whose sum is σ = 289858228688896. Its totient is φ = 179799277192920.

The previous prime is 230742405731699. The next prime is 230742405731809. The reversal of 230742405731761 is 167137504247032.

It is not a de Polignac number, because 230742405731761 - 2⁹ = 230742405731249 is a prime.

It is a super-2 number, since 2×230742405731761² (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 230742405731699 and 230742405731708.

It is not an unprimeable number, because it can be changed into a prime (230742405731161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136211572785 + ... + 136211574478.

Almost surely, 2^{230742405731761} is an apocalyptic number.

It is an amenable number.

230742405731761 is a deficient number, since it is larger than the sum of its proper divisors (59115822957135).

230742405731761 is a wasteful number, since it uses less digits than its factorization.

230742405731761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272423147292 (or 272423147281 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

Adding to 230742405731761 its reverse (167137504247032), we get a palindrome (397879909978793).

The spelling of 230742405731761 in words is "two hundred thirty trillion, seven hundred forty-two billion, four hundred five million, seven hundred thirty-one thousand, seven hundred sixty-one".