461551420123231 has 8 divisors (see below), whose sum is σ = 464584142982960. Its totient is φ = 458521149935232.

The previous prime is 461551420123229. The next prime is 461551420123247. The reversal of 461551420123231 is 132321024155164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 461551420123231 - 2¹ = 461551420123229 is a prime.

It is a super-2 number, since 2×461551420123231² (a number of 30 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 (461551420123331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612790330 + ... + 613543063.

It is an arithmetic number, because the mean of its divisors is an integer number (58073017872870).

Almost surely, 2^{461551420123231} is an apocalyptic number.

461551420123231 is a deficient number, since it is larger than the sum of its proper divisors (3032722859729).

461551420123231 is a wasteful number, since it uses less digits than its factorization.

461551420123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226335865.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 461551420123231 its reverse (132321024155164), we get a palindrome (593872444278395).

The spelling of 461551420123231 in words is "four hundred sixty-one trillion, five hundred fifty-one billion, four hundred twenty million, one hundred twenty-three thousand, two hundred thirty-one".