230451234661 has 4 divisors (see below), whose sum is σ = 236071996524. Its totient is φ = 224830472800.

The previous prime is 230451234653. The next prime is 230451234683. The reversal of 230451234661 is 166432154032.

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 83766830625 + 146684404036 = 289425^2 + 382994^2 .

It is a cyclic number.

It is not a de Polignac number, because 230451234661 - 2³ = 230451234653 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 230451234661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230451034661) 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, 2810380870 + ... + 2810380951.

It is an arithmetic number, because the mean of its divisors is an integer number (59017999131).

Almost surely, 2^230451234661 is an apocalyptic number.

It is an amenable number.

230451234661 is a deficient number, since it is larger than the sum of its proper divisors (5620761863).

230451234661 is an equidigital number, since it uses as much as digits as its factorization.

230451234661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620761862.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 230451234661 its reverse (166432154032), we get a palindrome (396883388693).

The spelling of 230451234661 in words is "two hundred thirty billion, four hundred fifty-one million, two hundred thirty-four thousand, six hundred sixty-one".