23555461 has 4 divisors (see below), whose sum is σ = 23599072. Its totient is φ = 23511852.

The previous prime is 23555449. The next prime is 23555501. The reversal of 23555461 is 16455532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23555461 - 2⁵ = 23555429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23555561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20985 + ... + 22078.

It is an arithmetic number, because the mean of its divisors is an integer number (5899768).

Almost surely, 2^23555461 is an apocalyptic number.

It is an amenable number.

23555461 is a deficient number, since it is larger than the sum of its proper divisors (43611).

23555461 is an equidigital number, since it uses as much as digits as its factorization.

23555461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43610.

The product of its digits is 18000, while the sum is 31.

The square root of 23555461 is about 4853.3968516906. The cubic root of 23555461 is about 286.6578699001.

It can be divided in two parts, 235 and 55461, that added together give a square (55696 = 236²).

The spelling of 23555461 in words is "twenty-three million, five hundred fifty-five thousand, four hundred sixty-one".