23051646 has 24 divisors (see below), whose sum is σ = 50038560. Its totient is φ = 7669536.

The previous prime is 23051603. The next prime is 23051653. The reversal of 23051646 is 64615032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13771 + ... + 15353.

It is an arithmetic number, because the mean of its divisors is an integer number (2084940).

Almost surely, 2^23051646 is an apocalyptic number.

23051646 is an abundant number, since it is smaller than the sum of its proper divisors (26986914).

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

23051646 is a wasteful number, since it uses less digits than its factorization.

23051646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 23051646 is about 4801.2129717395. The cubic root of 23051646 is about 284.5994002411.

Adding to 23051646 its reverse (64615032), we get a palindrome (87666678).

The spelling of 23051646 in words is "twenty-three million, fifty-one thousand, six hundred forty-six".