23523522 has 32 divisors (see below), whose sum is σ = 51819264. Its totient is φ = 7059600.

The previous prime is 23523473. The next prime is 23523541. The reversal of 23523522 is 22532532.

It is a junction number, because it is equal to n+sod(n) for n = 23523492 and 23523501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5397 + ... + 8727.

It is an arithmetic number, because the mean of its divisors is an integer number (1619352).

Almost surely, 2^23523522 is an apocalyptic number.

23523522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23523522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25909632).

23523522 is an abundant number, since it is smaller than the sum of its proper divisors (28295742).

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

23523522 is a wasteful number, since it uses less digits than its factorization.

23523522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454.

The product of its digits is 3600, while the sum is 24.

The square root of 23523522 is about 4850.1053596803. The cubic root of 23523522 is about 286.5282508866.

The spelling of 23523522 in words is "twenty-three million, five hundred twenty-three thousand, five hundred twenty-two".