561230335423 has 12 divisors (see below), whose sum is σ = 581355367528. Its totient is φ = 541779749280.

The previous prime is 561230335403. The next prime is 561230335427. The reversal of 561230335423 is 324533032165.

It is not a de Polignac number, because 561230335423 - 2¹⁷ = 561230204351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561230335427) 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, 4838140 + ... + 4952782.

Almost surely, 2^561230335423 is an apocalyptic number.

561230335423 is a deficient number, since it is larger than the sum of its proper divisors (20125032105).

561230335423 is a wasteful number, since it uses less digits than its factorization.

561230335423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120522 (or 120493 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 561230335423 its reverse (324533032165), we get a palindrome (885763367588).

The spelling of 561230335423 in words is "five hundred sixty-one billion, two hundred thirty million, three hundred thirty-five thousand, four hundred twenty-three".