23154560 has 192 divisors, whose sum is σ = 68372640. Its totient is φ = 7434240.

The previous prime is 23154539. The next prime is 23154569. The reversal of 23154560 is 6545132.

It is a super-2 number, since 2×23154560² = 1072267297587200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1006709 + ... + 1006731.

Almost surely, 2^23154560 is an apocalyptic number.

23154560 is a gapful number since it is divisible by the number (20) 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 23154560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34186320).

23154560 is an abundant number, since it is smaller than the sum of its proper divisors (45218080).

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

23154560 is a wasteful number, since it uses less digits than its factorization.

23154560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 23154560 is about 4811.9185363013. The cubic root of 23154560 is about 285.0223025534.

Adding to 23154560 its reverse (6545132), we get a palindrome (29699692).

The spelling of 23154560 in words is "twenty-three million, one hundred fifty-four thousand, five hundred sixty".