461561737223 has 2 divisors, whose sum is σ = 461561737224. Its totient is φ = 461561737222.

The previous prime is 461561737213. The next prime is 461561737243. The reversal of 461561737223 is 322737165164.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461561737223 - 2¹⁰ = 461561736199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461561737213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230780868611 + 230780868612.

It is an arithmetic number, because the mean of its divisors is an integer number (230780868612).

Almost surely, 2^461561737223 is an apocalyptic number.

461561737223 is a deficient number, since it is larger than the sum of its proper divisors (1).

461561737223 is an equidigital number, since it uses as much as digits as its factorization.

461561737223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 47.

The spelling of 461561737223 in words is "four hundred sixty-one billion, five hundred sixty-one million, seven hundred thirty-seven thousand, two hundred twenty-three".