23351120 has 40 divisors (see below), whose sum is σ = 58470216. Its totient is φ = 8621568.

The previous prime is 23351117. The next prime is 23351129. The reversal of 23351120 is 2115332.

It can be written as a sum of positive squares in 4 ways, for example, as 234256 + 23116864 = 484^2 + 4808^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23351129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10187 + ... + 12266.

Almost surely, 2^23351120 is an apocalyptic number.

23351120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23351120 is an abundant number, since it is smaller than the sum of its proper divisors (35119096).

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

23351120 is a wasteful number, since it uses less digits than its factorization.

23351120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22479 (or 22473 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 23351120 is about 4832.2996595824. The cubic root of 23351120 is about 285.8265530233.

Adding to 23351120 its reverse (2115332), we get a palindrome (25466452).

The spelling of 23351120 in words is "twenty-three million, three hundred fifty-one thousand, one hundred twenty".