123423102 has 48 divisors (see below), whose sum is σ = 302545152. Its totient is φ = 37399320.

The previous prime is 123423067. The next prime is 123423119. The reversal of 123423102 is 201324321.

123423102 is a `hidden beast` number, since 12 + 342 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6198 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (6303024).

Almost surely, 2^123423102 is an apocalyptic number.

123423102 is an abundant number, since it is smaller than the sum of its proper divisors (179122050).

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

123423102 is a wasteful number, since it uses less digits than its factorization.

123423102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23115 (or 23103 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 123423102 is about 11109.5950421246. The cubic root of 123423102 is about 497.8885655735. Note that the first 3 decimals are identical.

Adding to 123423102 its reverse (201324321), we get a palindrome (324747423).

It can be divided in two parts, 1234 and 23102, that added together give a square (24336 = 156²).

The spelling of 123423102 in words is "one hundred twenty-three million, four hundred twenty-three thousand, one hundred two".