461555623 has 4 divisors (see below), whose sum is σ = 461651008. Its totient is φ = 461460240.

The previous prime is 461555599. The next prime is 461555629. The reversal of 461555623 is 326555164.

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

It is a cyclic number.

It is not a de Polignac number, because 461555623 - 2¹³ = 461547431 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 (461555629) 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, 40023 + ... + 50248.

It is an arithmetic number, because the mean of its divisors is an integer number (115412752).

Almost surely, 2^461555623 is an apocalyptic number.

461555623 is a deficient number, since it is larger than the sum of its proper divisors (95385).

461555623 is an equidigital number, since it uses as much as digits as its factorization.

461555623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95384.

The product of its digits is 108000, while the sum is 37.

The square root of 461555623 is about 21483.8456287509. The cubic root of 461555623 is about 772.8134680877.

The spelling of 461555623 in words is "four hundred sixty-one million, five hundred fifty-five thousand, six hundred twenty-three".