3420123413242 has 4 divisors (see below), whose sum is σ = 5130185119866. Its totient is φ = 1710061706620.

The previous prime is 3420123413237. The next prime is 3420123413257. The reversal of 3420123413242 is 2423143210243.

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., 3081074579401 + 339048833841 = 1755299^2 + 582279^2 .

It is a super-2 number, since 2×3420123413242² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855030853309 + ... + 855030853312.

Almost surely, 2^{3420123413242} is an apocalyptic number.

3420123413242 is a deficient number, since it is larger than the sum of its proper divisors (1710061706624).

3420123413242 is a wasteful number, since it uses less digits than its factorization.

3420123413242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710061706623.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 3420123413242 its reverse (2423143210243), we get a palindrome (5843266623485).

The spelling of 3420123413242 in words is "three trillion, four hundred twenty billion, one hundred twenty-three million, four hundred thirteen thousand, two hundred forty-two".