21232332223123 has 8 divisors (see below), whose sum is σ = 24392567162880. Its totient is φ = 18103858438920.

The previous prime is 21232332223093. The next prime is 21232332223171. The reversal of 21232332223123 is 32132223323212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21232332223123 - 2⁴¹ = 19033308967571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21232332226123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7940287453 + ... + 7940290126.

It is an arithmetic number, because the mean of its divisors is an integer number (3049070895360).

Almost surely, 2^{21232332223123} is an apocalyptic number.

21232332223123 is a deficient number, since it is larger than the sum of its proper divisors (3160234939757).

21232332223123 is a wasteful number, since it uses less digits than its factorization.

21232332223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15880577777.

The product of its digits is 31104, while the sum is 31.

Adding to 21232332223123 its reverse (32132223323212), we get a palindrome (53364555546335).

The spelling of 21232332223123 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty-two million, two hundred twenty-three thousand, one hundred twenty-three".