123042450502 has 8 divisors (see below), whose sum is σ = 195420362616. Its totient is φ = 57902329632.

The previous prime is 123042450439. The next prime is 123042450521. The reversal of 123042450502 is 205054240321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1809447768 + ... + 1809447835.

It is an arithmetic number, because the mean of its divisors is an integer number (24427545327).

Almost surely, 2^123042450502 is an apocalyptic number.

123042450502 is a deficient number, since it is larger than the sum of its proper divisors (72377912114).

123042450502 is a wasteful number, since it uses less digits than its factorization.

123042450502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618895622.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 123042450502 its reverse (205054240321), we get a palindrome (328096690823).

The spelling of 123042450502 in words is "one hundred twenty-three billion, forty-two million, four hundred fifty thousand, five hundred two".