123213301302 has 32 divisors (see below), whose sum is σ = 303294281472. Its totient is φ = 32495815584.

The previous prime is 123213301259. The next prime is 123213301307. The reversal of 123213301302 is 203103312321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213301307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112832148 + ... + 112833239.

It is an arithmetic number, because the mean of its divisors is an integer number (9477946296).

Almost surely, 2^123213301302 is an apocalyptic number.

123213301302 is an abundant number, since it is smaller than the sum of its proper divisors (180080980170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123213301302 is a wasteful number, since it uses less digits than its factorization.

123213301302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225665412.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123213301302 its reverse (203103312321), we get a palindrome (326316613623).

The spelling of 123213301302 in words is "one hundred twenty-three billion, two hundred thirteen million, three hundred one thousand, three hundred two".