23345556 has 48 divisors (see below), whose sum is σ = 62121024. Its totient is φ = 6759936.

The previous prime is 23345513. The next prime is 23345563. The reversal of 23345556 is 65554332.

It is a plaindrome in base 10.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1750 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (1294188).

Almost surely, 2^23345556 is an apocalyptic number.

23345556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23345556 is an abundant number, since it is smaller than the sum of its proper divisors (38775468).

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

23345556 is a wasteful number, since it uses less digits than its factorization.

23345556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840 (or 8838 counting only the distinct ones).

The product of its digits is 54000, while the sum is 33.

The square root of 23345556 is about 4831.7239159538. The cubic root of 23345556 is about 285.8038493975.

Adding to 23345556 its reverse (65554332), we get a palindrome (88899888).

The spelling of 23345556 in words is "twenty-three million, three hundred forty-five thousand, five hundred fifty-six".