23542655 has 4 divisors (see below), whose sum is σ = 28251192. Its totient is φ = 18834120.

The previous prime is 23542601. The next prime is 23542657. The reversal of 23542655 is 55624532.

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

It is not a de Polignac number, because 23542655 - 2⁶ = 23542591 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 (23542657) 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, 2354261 + ... + 2354270.

It is an arithmetic number, because the mean of its divisors is an integer number (7062798).

Almost surely, 2^23542655 is an apocalyptic number.

23542655 is a deficient number, since it is larger than the sum of its proper divisors (4708537).

23542655 is an equidigital number, since it uses as much as digits as its factorization.

23542655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708536.

The product of its digits is 36000, while the sum is 32.

The square root of 23542655 is about 4852.0773901495. The cubic root of 23542655 is about 286.6059130011.

The spelling of 23542655 in words is "twenty-three million, five hundred forty-two thousand, six hundred fifty-five".