123213102 has 16 divisors (see below), whose sum is σ = 246844800. Its totient is φ = 41001272.

The previous prime is 123213091. The next prime is 123213137. The reversal of 123213102 is 201312321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13548 + ... + 20735.

It is an arithmetic number, because the mean of its divisors is an integer number (15427800).

Almost surely, 2^123213102 is an apocalyptic number.

123213102 is an abundant number, since it is smaller than the sum of its proper divisors (123631698).

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

123213102 is a wasteful number, since it uses less digits than its factorization.

123213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34887.

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

The square root of 123213102 is about 11100.1397288503. The cubic root of 123213102 is about 497.6060253981.

Adding to 123213102 its reverse (201312321), we get a palindrome (324525423).

The spelling of 123213102 in words is "one hundred twenty-three million, two hundred thirteen thousand, one hundred two".