505223132001 has 32 divisors (see below), whose sum is σ = 781385932800. Its totient is φ = 284394801600.

The previous prime is 505223131981. The next prime is 505223132023. The reversal of 505223132001 is 100231322505.

It is a happy number.

It is not a de Polignac number, because 505223132001 - 2¹³ = 505223123809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505223132041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381451 + ... + 1075151.

It is an arithmetic number, because the mean of its divisors is an integer number (24418310400).

Almost surely, 2^505223132001 is an apocalyptic number.

It is an amenable number.

505223132001 is a deficient number, since it is larger than the sum of its proper divisors (276162800799).

505223132001 is a wasteful number, since it uses less digits than its factorization.

505223132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694229.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 505223132001 its reverse (100231322505), we get a palindrome (605454454506).

The spelling of 505223132001 in words is "five hundred five billion, two hundred twenty-three million, one hundred thirty-two thousand, one".