506261423 has 4 divisors (see below), whose sum is σ = 507161208. Its totient is φ = 505361640.

The previous prime is 506261347. The next prime is 506261429. The reversal of 506261423 is 324162605.

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 506261423 - 2⁸ = 506261167 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 (506261429) 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, 449048 + ... + 450173.

It is an arithmetic number, because the mean of its divisors is an integer number (126790302).

Almost surely, 2^506261423 is an apocalyptic number.

506261423 is a deficient number, since it is larger than the sum of its proper divisors (899785).

506261423 is an equidigital number, since it uses as much as digits as its factorization.

506261423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899784.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 506261423 is about 22500.2538430125. The cubic root of 506261423 is about 796.9999212857. Note that the first 4 decimals are identical.

The spelling of 506261423 in words is "five hundred six million, two hundred sixty-one thousand, four hundred twenty-three".