123223320210 has 16 divisors (see below), whose sum is σ = 295735968576. Its totient is φ = 32859552048.

The previous prime is 123223320163. The next prime is 123223320221. The reversal of 123223320210 is 12023322321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053721974 + ... + 2053722033.

It is an arithmetic number, because the mean of its divisors is an integer number (18483498036).

Almost surely, 2^123223320210 is an apocalyptic number.

123223320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123223320210 is an abundant number, since it is smaller than the sum of its proper divisors (172512648366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123223320210 is a wasteful number, since it uses less digits than its factorization.

123223320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107444017.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123223320210 its reverse (12023322321), we get a palindrome (135246642531).

The spelling of 123223320210 in words is "one hundred twenty-three billion, two hundred twenty-three million, three hundred twenty thousand, two hundred ten".