230444232461 has 4 divisors (see below), whose sum is σ = 230621908572. Its totient is φ = 230266556352.

The previous prime is 230444232457. The next prime is 230444232467. The reversal of 230444232461 is 164232444032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 221929556836 + 8514675625 = 471094^2 + 92275^2 .

It is a cyclic number.

It is not a de Polignac number, because 230444232461 - 2² = 230444232457 is a prime.

It is a super-2 number, since 2×230444232461² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230444232467) 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, 88836110 + ... + 88838703.

It is an arithmetic number, because the mean of its divisors is an integer number (57655477143).

Almost surely, 2^230444232461 is an apocalyptic number.

It is an amenable number.

230444232461 is a deficient number, since it is larger than the sum of its proper divisors (177676111).

230444232461 is a wasteful number, since it uses less digits than its factorization.

230444232461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177676110.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 230444232461 its reverse (164232444032), we get a palindrome (394676676493).

The spelling of 230444232461 in words is "two hundred thirty billion, four hundred forty-four million, two hundred thirty-two thousand, four hundred sixty-one".