123102030302 has 32 divisors (see below), whose sum is σ = 190899700992. Its totient is φ = 59501502144.

The previous prime is 123102030241. The next prime is 123102030343. The reversal of 123102030302 is 203030201321.

It is a super-2 number, since 2×123102030302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3327953 + ... + 3364739.

It is an arithmetic number, because the mean of its divisors is an integer number (5965615656).

Almost surely, 2^123102030302 is an apocalyptic number.

123102030302 is a deficient number, since it is larger than the sum of its proper divisors (67797670690).

123102030302 is a wasteful number, since it uses less digits than its factorization.

123102030302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37232.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123102030302 its reverse (203030201321), we get a palindrome (326132231623).

The spelling of 123102030302 in words is "one hundred twenty-three billion, one hundred two million, thirty thousand, three hundred two".