23212548 has 96 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 7100928.

The previous prime is 23212537. The next prime is 23212549. The reversal of 23212548 is 84521232.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86158 + ... + 86426.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^23212548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23212548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32659200).

23212548 is an abundant number, since it is smaller than the sum of its proper divisors (42105852).

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

23212548 is a wasteful number, since it uses less digits than its factorization.

23212548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 338 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 23212548 is about 4817.9402237886. The cubic root of 23212548 is about 285.2600396708.

The spelling of 23212548 in words is "twenty-three million, two hundred twelve thousand, five hundred forty-eight".