1523793002142 has 32 divisors (see below), whose sum is σ = 3049306371072. Its totient is φ = 507644360064.

The previous prime is 1523793002119. The next prime is 1523793002191. The reversal of 1523793002142 is 2412003973251.

It is a happy number.

It is a super-2 number, since 2×1523793002142² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1523793002142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154115923 + ... + 154125809.

It is an arithmetic number, because the mean of its divisors is an integer number (95290824096).

Almost surely, 2^{1523793002142} is an apocalyptic number.

1523793002142 is an abundant number, since it is smaller than the sum of its proper divisors (1525513368930).

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

1523793002142 is a wasteful number, since it uses less digits than its factorization.

1523793002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21792.

The product of its (nonzero) digits is 90720, while the sum is 39.

Adding to 1523793002142 its reverse (2412003973251), we get a palindrome (3935796975393).

The spelling of 1523793002142 in words is "one trillion, five hundred twenty-three billion, seven hundred ninety-three million, two thousand, one hundred forty-two".