123203332221 has 8 divisors (see below), whose sum is σ = 164273875584. Its totient is φ = 82134171840.

The previous prime is 123203332211. The next prime is 123203332223. The reversal of 123203332221 is 122233302321.

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

It is not a de Polignac number, because 123203332221 - 2⁹ = 123203331709 is a prime.

It is a super-2 number, since 2×123203332221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123203332191 and 123203332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203332223) 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, 116085 + ... + 509786.

It is an arithmetic number, because the mean of its divisors is an integer number (20534234448).

Almost surely, 2^123203332221 is an apocalyptic number.

It is an amenable number.

123203332221 is a deficient number, since it is larger than the sum of its proper divisors (41070543363).

123203332221 is an equidigital number, since it uses as much as digits as its factorization.

123203332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691491.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123203332221 its reverse (122233302321), we get a palindrome (245436634542).

The spelling of 123203332221 in words is "one hundred twenty-three billion, two hundred three million, three hundred thirty-two thousand, two hundred twenty-one".