23212460 has 24 divisors (see below), whose sum is σ = 49182336. Its totient is φ = 9201920.

The previous prime is 23212447. The next prime is 23212477. The reversal of 23212460 is 6421232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 2876 + ... + 7395.

It is an arithmetic number, because the mean of its divisors is an integer number (2049264).

Almost surely, 2^23212460 is an apocalyptic number.

23212460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212460 is an abundant number, since it is smaller than the sum of its proper divisors (25969876).

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

23212460 is a wasteful number, since it uses less digits than its factorization.

23212460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10393 (or 10391 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 23212460 is about 4817.9310912465. The cubic root of 23212460 is about 285.2596791917.

Adding to 23212460 its reverse (6421232), we get a palindrome (29633692).

The spelling of 23212460 in words is "twenty-three million, two hundred twelve thousand, four hundred sixty".