123223120210 has 8 divisors (see below), whose sum is σ = 221801616396. Its totient is φ = 49289248080.

The previous prime is 123223120159. The next prime is 123223120213. The reversal of 123223120210 is 12021322321.

It can be written as a sum of positive squares in 2 ways, for example, as 116840228761 + 6382891449 = 341819^2 + 79893^2 .

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

It is a super-2 number, since 2×123223120210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123223120213) 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, 6161156001 + ... + 6161156020.

Almost surely, 2^123223120210 is an apocalyptic number.

123223120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123223120210 is a deficient number, since it is larger than the sum of its proper divisors (98578496186).

123223120210 is a wasteful number, since it uses less digits than its factorization.

123223120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12322312028.

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

Adding to 123223120210 its reverse (12021322321), we get a palindrome (135244442531).

The spelling of 123223120210 in words is "one hundred twenty-three billion, two hundred twenty-three million, one hundred twenty thousand, two hundred ten".