23153560 has 16 divisors (see below), whose sum is σ = 52095600. Its totient is φ = 9261408.

The previous prime is 23153551. The next prime is 23153567. The reversal of 23153560 is 6535132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23153567) 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 3 ways as a sum of consecutive naturals, for example, 289380 + ... + 289459.

It is an arithmetic number, because the mean of its divisors is an integer number (3255975).

Almost surely, 2^23153560 is an apocalyptic number.

23153560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23153560 is an abundant number, since it is smaller than the sum of its proper divisors (28942040).

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

23153560 is a wasteful number, since it uses less digits than its factorization.

23153560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578850 (or 578846 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 23153560 is about 4811.8146265209. The cubic root of 23153560 is about 285.0181993098.

Adding to 23153560 its reverse (6535132), we get a palindrome (29688692).

The spelling of 23153560 in words is "twenty-three million, one hundred fifty-three thousand, five hundred sixty".