142321054403 has 16 divisors (see below), whose sum is σ = 158073576192. Its totient is φ = 127052100000.

The previous prime is 142321054387. The next prime is 142321054433. The reversal of 142321054403 is 304450123241.

It is a cyclic number.

It is not a de Polignac number, because 142321054403 - 2⁴ = 142321054387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142321054433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166976 + ... + 559037.

It is an arithmetic number, because the mean of its divisors is an integer number (9879598512).

Almost surely, 2^142321054403 is an apocalyptic number.

142321054403 is a deficient number, since it is larger than the sum of its proper divisors (15752521789).

142321054403 is a wasteful number, since it uses less digits than its factorization.

142321054403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726346.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 142321054403 its reverse (304450123241), we get a palindrome (446771177644).

The spelling of 142321054403 in words is "one hundred forty-two billion, three hundred twenty-one million, fifty-four thousand, four hundred three".