23543450 has 48 divisors (see below), whose sum is σ = 50514624. Its totient is φ = 7996800.

The previous prime is 23543423. The next prime is 23543483. The reversal of 23543450 is 5434532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47705 + ... + 48195.

It is an arithmetic number, because the mean of its divisors is an integer number (1052388).

Almost surely, 2^23543450 is an apocalyptic number.

23543450 is an abundant number, since it is smaller than the sum of its proper divisors (26971174).

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

23543450 is a wasteful number, since it uses less digits than its factorization.

23543450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 23543450 is about 4852.1593131306. The cubic root of 23543450 is about 286.6091390482.

Adding to 23543450 its reverse (5434532), we get a palindrome (28977982).

The spelling of 23543450 in words is "twenty-three million, five hundred forty-three thousand, four hundred fifty".