123202113 has 8 divisors (see below), whose sum is σ = 164336928. Its totient is φ = 82101024.

The previous prime is 123202109. The next prime is 123202117. The reversal of 123202113 is 311202321.

It is an interprime number because it is at equal distance from previous prime (123202109) and next prime (123202117).

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

It is not a de Polignac number, because 123202113 - 2² = 123202109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123202092 and 123202101.

It is not an unprimeable number, because it can be changed into a prime (123202117) 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, 1906 + ... + 15812.

It is an arithmetic number, because the mean of its divisors is an integer number (20542116).

Almost surely, 2^123202113 is an apocalyptic number.

It is an amenable number.

123202113 is a deficient number, since it is larger than the sum of its proper divisors (41134815).

123202113 is a wasteful number, since it uses less digits than its factorization.

123202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16863.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 123202113 is about 11099.6447240441. The cubic root of 123202113 is about 497.5912316381.

Adding to 123202113 its reverse (311202321), we get a palindrome (434404434).

The spelling of 123202113 in words is "one hundred twenty-three million, two hundred two thousand, one hundred thirteen".