1405231142322 has 48 divisors (see below), whose sum is σ = 3269785698432. Its totient is φ = 401436594720.

The previous prime is 1405231142317. The next prime is 1405231142363. The reversal of 1405231142322 is 2232411325041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1405231142322.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1713508 + ... + 2397200.

It is an arithmetic number, because the mean of its divisors is an integer number (68120535384).

Almost surely, 2^{1405231142322} is an apocalyptic number.

1405231142322 is an abundant number, since it is smaller than the sum of its proper divisors (1864554556110).

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

1405231142322 is a wasteful number, since it uses less digits than its factorization.

1405231142322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690703 (or 690696 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1405231142322 its reverse (2232411325041), we get a palindrome (3637642467363).

The spelling of 1405231142322 in words is "one trillion, four hundred five billion, two hundred thirty-one million, one hundred forty-two thousand, three hundred twenty-two".