123001002442 has 4 divisors (see below), whose sum is σ = 184501503666. Its totient is φ = 61500501220.

The previous prime is 123001002431. The next prime is 123001002493. The reversal of 123001002442 is 244200100321.

123001002442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117766335241 + 5234667201 = 343171^2 + 72351^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30750250609 + ... + 30750250612.

Almost surely, 2^123001002442 is an apocalyptic number.

123001002442 is a deficient number, since it is larger than the sum of its proper divisors (61500501224).

123001002442 is an equidigital number, since it uses as much as digits as its factorization.

123001002442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61500501223.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 123001002442 its reverse (244200100321), we get a palindrome (367201102763).

The spelling of 123001002442 in words is "one hundred twenty-three billion, one million, two thousand, four hundred forty-two".