1523422243252 has 24 divisors (see below), whose sum is σ = 3281217140096. Its totient is φ = 602672535648.

The previous prime is 1523422243241. The next prime is 1523422243267. The reversal of 1523422243252 is 2523422243251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092612608 + ... + 2092613335.

Almost surely, 2^{1523422243252} is an apocalyptic number.

It is an amenable number.

1523422243252 is an abundant number, since it is smaller than the sum of its proper divisors (1757794896844).

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

1523422243252 is a wasteful number, since it uses less digits than its factorization.

1523422243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185225967 (or 4185225965 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

Subtracting 1523422243252 from its reverse (2523422243251), we obtain a palindrome (999999999999).

The spelling of 1523422243252 in words is "one trillion, five hundred twenty-three billion, four hundred twenty-two million, two hundred forty-three thousand, two hundred fifty-two".