23220141 has 16 divisors (see below), whose sum is σ = 35487744. Its totient is φ = 13229424.

The previous prime is 23220139. The next prime is 23220149. The reversal of 23220141 is 14102232.

It is not a de Polignac number, because 23220141 - 2¹ = 23220139 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23220141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6600 + ... + 9486.

It is an arithmetic number, because the mean of its divisors is an integer number (2217984).

Almost surely, 2^23220141 is an apocalyptic number.

23220141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23220141 is a deficient number, since it is larger than the sum of its proper divisors (12267603).

23220141 is a wasteful number, since it uses less digits than its factorization.

23220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23220141 is about 4818.7281517014. The cubic root of 23220141 is about 285.2911398521.

Adding to 23220141 its reverse (14102232), we get a palindrome (37322373).

The spelling of 23220141 in words is "twenty-three million, two hundred twenty thousand, one hundred forty-one".