23553426 has 64 divisors (see below), whose sum is σ = 55802880. Its totient is φ = 6557760.

The previous prime is 23553419. The next prime is 23553427. The reversal of 23553426 is 62435532.

It is a junction number, because it is equal to n+sod(n) for n = 23553393 and 23553402.

It is not an unprimeable number, because it can be changed into a prime (23553427) 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 31 ways as a sum of consecutive naturals, for example, 33741 + ... + 34431.

It is an arithmetic number, because the mean of its divisors is an integer number (871920).

Almost surely, 2^23553426 is an apocalyptic number.

23553426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23553426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27901440).

23553426 is an abundant number, since it is smaller than the sum of its proper divisors (32249454).

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

23553426 is a wasteful number, since it uses less digits than its factorization.

23553426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its digits is 21600, while the sum is 30.

The square root of 23553426 is about 4853.1872001809. The cubic root of 23553426 is about 286.6496146939.

Adding to 23553426 its reverse (62435532), we get a palindrome (85988958).

The spelling of 23553426 in words is "twenty-three million, five hundred fifty-three thousand, four hundred twenty-six".