123102433042 has 8 divisors (see below), whose sum is σ = 184667647500. Its totient is φ = 61546550544.

The previous prime is 123102433039. The next prime is 123102433057. The reversal of 123102433042 is 240334201321.

It can be written as a sum of positive squares in 2 ways, for example, as 64261743001 + 58840690041 = 253499^2 + 242571^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 123102432998 and 123102433016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2299917 + ... + 2352832.

Almost surely, 2^123102433042 is an apocalyptic number.

123102433042 is a deficient number, since it is larger than the sum of its proper divisors (61565214458).

123102433042 is a wasteful number, since it uses less digits than its factorization.

123102433042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665980.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123102433042 its reverse (240334201321), we get a palindrome (363436634363).

The spelling of 123102433042 in words is "one hundred twenty-three billion, one hundred two million, four hundred thirty-three thousand, forty-two".