123271417442 has 8 divisors (see below), whose sum is σ = 187440100716. Its totient is φ = 60791383872.

The previous prime is 123271417439. The next prime is 123271417487. The reversal of 123271417442 is 244714172321.

It can be written as a sum of positive squares in 2 ways, for example, as 122800484041 + 470933401 = 350429^2 + 21701^2 .

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 = 123271417396 and 123271417405.

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, 422162243 + ... + 422162534.

Almost surely, 2^123271417442 is an apocalyptic number.

123271417442 is a deficient number, since it is larger than the sum of its proper divisors (64168683274).

123271417442 is an equidigital number, since it uses as much as digits as its factorization.

123271417442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844324852.

The product of its digits is 75264, while the sum is 38.

Adding to 123271417442 its reverse (244714172321), we get a palindrome (367985589763).

The spelling of 123271417442 in words is "one hundred twenty-three billion, two hundred seventy-one million, four hundred seventeen thousand, four hundred forty-two".