123220608 has 64 divisors (see below), whose sum is σ = 374070720. Its totient is φ = 35205120.

The previous prime is 123220597. The next prime is 123220613. The reversal of 123220608 is 806022321.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 20233 + ... + 25608.

It is an arithmetic number, because the mean of its divisors is an integer number (5844855).

Almost surely, 2^123220608 is an apocalyptic number.

It is an amenable number.

123220608 is an abundant number, since it is smaller than the sum of its proper divisors (250850112).

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

123220608 is an equidigital number, since it uses as much as digits as its factorization.

123220608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45865 (or 45853 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 123220608 is about 11100.4778275532. The cubic root of 123220608 is about 497.6161297212.

Adding to 123220608 its reverse (806022321), we get a palindrome (929242929).

The spelling of 123220608 in words is "one hundred twenty-three million, two hundred twenty thousand, six hundred eight".