123222231001 has 4 divisors (see below), whose sum is σ = 129707611600. Its totient is φ = 116736850404.

The previous prime is 123222230983. The next prime is 123222231017. The reversal of 123222231001 is 100132222321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123222231001 - 2⁹ = 123222230489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 6485380579 = 123222231001 / (1 + 2 + 3 + 2 + 2 + 2 + 2 + 3 + 1 + 0 + 0 + 1).

It is a self number, because there is not a number n which added to its sum of digits gives 123222231001.

It is not an unprimeable number, because it can be changed into a prime (123222231071) 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 3 ways as a sum of consecutive naturals, for example, 3242690271 + ... + 3242690308.

It is an arithmetic number, because the mean of its divisors is an integer number (32426902900).

Almost surely, 2^123222231001 is an apocalyptic number.

It is an amenable number.

123222231001 is a deficient number, since it is larger than the sum of its proper divisors (6485380599).

123222231001 is an equidigital number, since it uses as much as digits as its factorization.

123222231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485380598.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123222231001 its reverse (100132222321), we get a palindrome (223354453322).

The spelling of 123222231001 in words is "one hundred twenty-three billion, two hundred twenty-two million, two hundred thirty-one thousand, one".