523242142 has 8 divisors (see below), whose sum is σ = 785785896. Its totient is φ = 261313512.

The previous prime is 523242119. The next prime is 523242143. The reversal of 523242142 is 241242325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523242143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151648 + ... + 155059.

It is an arithmetic number, because the mean of its divisors is an integer number (98223237).

Almost surely, 2^523242142 is an apocalyptic number.

523242142 is a deficient number, since it is larger than the sum of its proper divisors (262543754).

523242142 is a wasteful number, since it uses less digits than its factorization.

523242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307562.

The product of its digits is 3840, while the sum is 25.

The square root of 523242142 is about 22874.4867046236. The cubic root of 523242142 is about 805.8129421189.

Adding to 523242142 its reverse (241242325), we get a palindrome (764484467).

It can be divided in two parts, 5232 and 42142, that added together give a palindrome (47374).

The spelling of 523242142 in words is "five hundred twenty-three million, two hundred forty-two thousand, one hundred forty-two".