23713155 has 48 divisors (see below), whose sum is σ = 44160480. Its totient is φ = 12192768.

The previous prime is 23713153. The next prime is 23713169. The reversal of 23713155 is 55131732.

It is not a de Polignac number, because 23713155 - 2¹ = 23713153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23713153) 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 47 ways as a sum of consecutive naturals, for example, 34899 + ... + 35571.

It is an arithmetic number, because the mean of its divisors is an integer number (920010).

Almost surely, 2^23713155 is an apocalyptic number.

23713155 is a deficient number, since it is larger than the sum of its proper divisors (20447325).

23713155 is an equidigital number, since it uses as much as digits as its factorization.

23713155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 710 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 23713155 is about 4869.6154879005. The cubic root of 23713155 is about 287.2961327238.

Adding to 23713155 its reverse (55131732), we get a palindrome (78844887).

The spelling of 23713155 in words is "twenty-three million, seven hundred thirteen thousand, one hundred fifty-five".