123221300308 has 6 divisors (see below), whose sum is σ = 215637275546. Its totient is φ = 61610650152.

The previous prime is 123221300299. The next prime is 123221300317. The reversal of 123221300308 is 803003122321.

It is an interprime number because it is at equal distance from previous prime (123221300299) and next prime (123221300317).

It can be written as a sum of positive squares in only one way, i.e., 103805107344 + 19416192964 = 322188^2 + 139342^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15402662535 + ... + 15402662542.

Almost surely, 2^123221300308 is an apocalyptic number.

It is an amenable number.

123221300308 is a deficient number, since it is larger than the sum of its proper divisors (92415975238).

123221300308 is a wasteful number, since it uses less digits than its factorization.

123221300308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30805325081 (or 30805325079 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123221300308 its reverse (803003122321), we get a palindrome (926224422629).

The spelling of 123221300308 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred thousand, three hundred eight".