1405023442342 has 32 divisors (see below), whose sum is σ = 2382515638272. Its totient is φ = 616563624864.

The previous prime is 1405023442321. The next prime is 1405023442369. The reversal of 1405023442342 is 2432443205041.

It is a junction number, because it is equal to n+sod(n) for n = 1405023442298 and 1405023442307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6934678 + ... + 7134409.

It is an arithmetic number, because the mean of its divisors is an integer number (74453613696).

Almost surely, 2^{1405023442342} is an apocalyptic number.

1405023442342 is a deficient number, since it is larger than the sum of its proper divisors (977492195930).

1405023442342 is a wasteful number, since it uses less digits than its factorization.

1405023442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14069292.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 1405023442342 its reverse (2432443205041), we get a palindrome (3837466647383).

The spelling of 1405023442342 in words is "one trillion, four hundred five billion, twenty-three million, four hundred forty-two thousand, three hundred forty-two".