23554 has 4 divisors (see below), whose sum is σ = 35334. Its totient is φ = 11776.

The previous prime is 23549. The next prime is 23557. The reversal of 23554 is 45532.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18225 + 5329 = 135^2 + 73^2 .

It is not an unprimeable number, because it can be changed into a prime (23557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887 + ... + 5890.

2²³⁵⁵⁴ is an apocalyptic number.

23554 is a deficient number, since it is larger than the sum of its proper divisors (11780).

23554 is a wasteful number, since it uses less digits than its factorization.

23554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11779.

The product of its digits is 600, while the sum is 19.

The square root of 23554 is about 153.4731246831. The cubic root of 23554 is about 28.6651943238.

It can be divided in two parts, 235 and 54, that added together give a square (289 = 17²).

The spelling of 23554 in words is "twenty-three thousand, five hundred fifty-four".