202523413122142 has 64 divisors (see below), whose sum is σ = 362423228428800. Its totient is φ = 83077457258880.

The previous prime is 202523413122101. The next prime is 202523413122157. The reversal of 202523413122142 is 241221314325202.

It is a junction number, because it is equal to n+sod(n) for n = 202523413122098 and 202523413122107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372792 + ... + 20129227.

It is an arithmetic number, because the mean of its divisors is an integer number (5662862944200).

Almost surely, 2^{202523413122142} is an apocalyptic number.

202523413122142 is a deficient number, since it is larger than the sum of its proper divisors (159899815306658).

202523413122142 is a wasteful number, since it uses less digits than its factorization.

202523413122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20502401.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 202523413122142 its reverse (241221314325202), we get a palindrome (443744727447344).

The spelling of 202523413122142 in words is "two hundred two trillion, five hundred twenty-three billion, four hundred thirteen million, one hundred twenty-two thousand, one hundred forty-two".