123100102342 has 16 divisors (see below), whose sum is σ = 211164145920. Its totient is φ = 52723336968.

The previous prime is 123100102337. The next prime is 123100102343. The reversal of 123100102342 is 243201001321.

It is a happy number.

It is a super-2 number, since 2×123100102342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100102343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798208 + ... + 2841859.

It is an arithmetic number, because the mean of its divisors is an integer number (13197759120).

Almost surely, 2^123100102342 is an apocalyptic number.

123100102342 is a deficient number, since it is larger than the sum of its proper divisors (88064043578).

123100102342 is a wasteful number, since it uses less digits than its factorization.

123100102342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641635.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123100102342 its reverse (243201001321), we get a palindrome (366301103663).

The spelling of 123100102342 in words is "one hundred twenty-three billion, one hundred million, one hundred two thousand, three hundred forty-two".