123202313030 has 32 divisors (see below), whose sum is σ = 222903231264. Its totient is φ = 49028379136.

The previous prime is 123202313029. The next prime is 123202313041. The reversal of 123202313030 is 30313202321.

It is a junction number, because it is equal to n+sod(n) for n = 123202312993 and 123202313011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684094 + ... + 1755726.

It is an arithmetic number, because the mean of its divisors is an integer number (6965725977).

Almost surely, 2^123202313030 is an apocalyptic number.

123202313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123202313030 is a deficient number, since it is larger than the sum of its proper divisors (99700918234).

123202313030 is a wasteful number, since it uses less digits than its factorization.

123202313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72520.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123202313030 its reverse (30313202321), we get a palindrome (153515515351).

The spelling of 123202313030 in words is "one hundred twenty-three billion, two hundred two million, three hundred thirteen thousand, thirty".