23531412 has 24 divisors (see below), whose sum is σ = 56800800. Its totient is φ = 7573216.

The previous prime is 23531407. The next prime is 23531419. The reversal of 23531412 is 21413532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23531419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33462 + ... + 34157.

It is an arithmetic number, because the mean of its divisors is an integer number (2366700).

Almost surely, 2^23531412 is an apocalyptic number.

It is an amenable number.

23531412 is an abundant number, since it is smaller than the sum of its proper divisors (33269388).

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

23531412 is a wasteful number, since it uses less digits than its factorization.

23531412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67655 (or 67653 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 23531412 is about 4850.9186758799. The cubic root of 23531412 is about 286.5602820197.

Adding to 23531412 its reverse (21413532), we get a palindrome (44944944).

The spelling of 23531412 in words is "twenty-three million, five hundred thirty-one thousand, four hundred twelve".