461261823 has 16 divisors (see below), whose sum is σ = 682300800. Its totient is φ = 274813280.

The previous prime is 461261797. The next prime is 461261831. The reversal of 461261823 is 328162164.

It is a cyclic number.

It is not a de Polignac number, because 461261823 - 2¹⁰ = 461260799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461261863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116508 + ... + 120401.

It is an arithmetic number, because the mean of its divisors is an integer number (42643800).

Almost surely, 2^461261823 is an apocalyptic number.

461261823 is a deficient number, since it is larger than the sum of its proper divisors (221038977).

461261823 is a wasteful number, since it uses less digits than its factorization.

461261823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236982.

The product of its digits is 13824, while the sum is 33.

The square root of 461261823 is about 21477.0068445303. The cubic root of 461261823 is about 772.6494569487.

The spelling of 461261823 in words is "four hundred sixty-one million, two hundred sixty-one thousand, eight hundred twenty-three".