142323404563641 has 24 divisors (see below), whose sum is σ = 224487971238240. Its totient is φ = 79949224834752.

The previous prime is 142323404563633. The next prime is 142323404563667. The reversal of 142323404563641 is 146365404323241.

It is not a de Polignac number, because 142323404563641 - 2³ = 142323404563633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142323404563621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8204961036 + ... + 8204978381.

It is an arithmetic number, because the mean of its divisors is an integer number (9353665468260).

Almost surely, 2^{142323404563641} is an apocalyptic number.

It is an amenable number.

142323404563641 is a deficient number, since it is larger than the sum of its proper divisors (82164566674599).

142323404563641 is a wasteful number, since it uses less digits than its factorization.

142323404563641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16409939493 (or 16409939486 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 48.

Adding to 142323404563641 its reverse (146365404323241), we get a palindrome (288688808886882).

The spelling of 142323404563641 in words is "one hundred forty-two trillion, three hundred twenty-three billion, four hundred four million, five hundred sixty-three thousand, six hundred forty-one".