123123021202 has 8 divisors (see below), whose sum is σ = 186909646896. Its totient is φ = 60819805572.

The previous prime is 123123021173. The next prime is 123123021293. The reversal of 123123021202 is 202120321321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 123123021202.

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, 370852308 + ... + 370852639.

It is an arithmetic number, because the mean of its divisors is an integer number (23363705862).

Almost surely, 2^123123021202 is an apocalyptic number.

123123021202 is a deficient number, since it is larger than the sum of its proper divisors (63786625694).

123123021202 is an equidigital number, since it uses as much as digits as its factorization.

123123021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741705032.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123123021202 its reverse (202120321321), we get a palindrome (325243342523).

The spelling of 123123021202 in words is "one hundred twenty-three billion, one hundred twenty-three million, twenty-one thousand, two hundred two".