461805623 has 2 divisors, whose sum is σ = 461805624. Its totient is φ = 461805622.

The previous prime is 461805593. The next prime is 461805649. The reversal of 461805623 is 326508164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461805623 - 2¹⁶ = 461740087 is a prime.

It is a super-4 number, since 4×461805623⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461805823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230902811 + 230902812.

It is an arithmetic number, because the mean of its divisors is an integer number (230902812).

Almost surely, 2^461805623 is an apocalyptic number.

461805623 is a deficient number, since it is larger than the sum of its proper divisors (1).

461805623 is an equidigital number, since it uses as much as digits as its factorization.

461805623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 461805623 is about 21489.6631662760. The cubic root of 461805623 is about 772.9529734800.

The spelling of 461805623 in words is "four hundred sixty-one million, eight hundred five thousand, six hundred twenty-three".