123102042344 has 32 divisors (see below), whose sum is σ = 238422320640. Its totient is φ = 59525428800.

The previous prime is 123102042341. The next prime is 123102042389. The reversal of 123102042344 is 443240201321.

It is a super-2 number, since 2×123102042344² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123102042341) 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 7 ways as a sum of consecutive naturals, for example, 204029 + ... + 536499.

It is an arithmetic number, because the mean of its divisors is an integer number (7450697520).

Almost surely, 2^123102042344 is an apocalyptic number.

It is an amenable number.

123102042344 is a deficient number, since it is larger than the sum of its proper divisors (115320278296).

123102042344 is a wasteful number, since it uses less digits than its factorization.

123102042344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334001 (or 333997 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 123102042344 its reverse (443240201321), we get a palindrome (566342243665).

The spelling of 123102042344 in words is "one hundred twenty-three billion, one hundred two million, forty-two thousand, three hundred forty-four".