123668000620 has 24 divisors (see below), whose sum is σ = 260319690288. Its totient is φ = 49349697600.

The previous prime is 123668000611. The next prime is 123668000627. The reversal of 123668000620 is 26000866321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123668000627) 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, 7335286 + ... + 7352125.

It is an arithmetic number, because the mean of its divisors is an integer number (10846653762).

Almost surely, 2^123668000620 is an apocalyptic number.

123668000620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123668000620 is an abundant number, since it is smaller than the sum of its proper divisors (136651689668).

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

123668000620 is a wasteful number, since it uses less digits than its factorization.

123668000620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14687841 (or 14687839 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 123668000620 its reverse (26000866321), we get a palindrome (149668866941).

The spelling of 123668000620 in words is "one hundred twenty-three billion, six hundred sixty-eight million, six hundred twenty", and thus it is an aban number.