23405052 has 48 divisors (see below), whose sum is σ = 59883264. Its totient is φ = 7056000.

The previous prime is 23405047. The next prime is 23405071. The reversal of 23405052 is 25050432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36777 + ... + 37407.

It is an arithmetic number, because the mean of its divisors is an integer number (1247568).

Almost surely, 2^23405052 is an apocalyptic number.

23405052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23405052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29941632).

23405052 is an abundant number, since it is smaller than the sum of its proper divisors (36478212).

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

23405052 is a wasteful number, since it uses less digits than its factorization.

23405052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 23405052 is about 4837.8768070301. The cubic root of 23405052 is about 286.0464331997.

Adding to 23405052 its reverse (25050432), we get a palindrome (48455484).

The spelling of 23405052 in words is "twenty-three million, four hundred five thousand, fifty-two".