123220386502 has 8 divisors (see below), whose sum is σ = 184837930200. Its totient is φ = 61607743104.

The previous prime is 123220386463. The next prime is 123220386517. The reversal of 123220386502 is 205683022321.

123220386502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161552 + ... + 1263187.

It is an arithmetic number, because the mean of its divisors is an integer number (23104741275).

Almost surely, 2^123220386502 is an apocalyptic number.

123220386502 is a deficient number, since it is larger than the sum of its proper divisors (61617543698).

123220386502 is a wasteful number, since it uses less digits than its factorization.

123220386502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450150.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 123220386502 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred eighty-six thousand, five hundred two".