523102122 has 24 divisors (see below), whose sum is σ = 1169950080. Its totient is φ = 168742440.

The previous prime is 523102109. The next prime is 523102123. The reversal of 523102122 is 221201325.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 523102095 and 523102104.

It is not an unprimeable number, because it can be changed into a prime (523102123) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 468172 + ... + 469287.

It is an arithmetic number, because the mean of its divisors is an integer number (48747920).

Almost surely, 2^523102122 is an apocalyptic number.

523102122 is an abundant number, since it is smaller than the sum of its proper divisors (646847958).

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

523102122 is a wasteful number, since it uses less digits than its factorization.

523102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937498 (or 937495 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 523102122 is about 22871.4258847148. The cubic root of 523102122 is about 805.7410569852.

Adding to 523102122 its reverse (221201325), we get a palindrome (744303447).

The spelling of 523102122 in words is "five hundred twenty-three million, one hundred two thousand, one hundred twenty-two".