3402123143240 has 16 divisors (see below), whose sum is σ = 7654777072380. Its totient is φ = 1360849257280.

The previous prime is 3402123143233. The next prime is 3402123143323. The reversal of 3402123143240 is 423413212043.

It can be written as a sum of positive squares in 2 ways, for example, as 3397555816516 + 4567326724 = 1843246^2 + 67582^2 .

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, 42526539251 + ... + 42526539330.

Almost surely, 2^{3402123143240} is an apocalyptic number.

It is an amenable number.

3402123143240 is an abundant number, since it is smaller than the sum of its proper divisors (4252653929140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3402123143240 is a wasteful number, since it uses less digits than its factorization.

3402123143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85053078592 (or 85053078588 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 3402123143240 its reverse (423413212043), we get a palindrome (3825536355283).

The spelling of 3402123143240 in words is "three trillion, four hundred two billion, one hundred twenty-three million, one hundred forty-three thousand, two hundred forty".