23820061 has 8 divisors (see below), whose sum is σ = 24149304. Its totient is φ = 23493120.

The previous prime is 23820037. The next prime is 23820079. The reversal of 23820061 is 16002832.

It can be written as a sum of positive squares in 4 ways, for example, as 5062500 + 18757561 = 2250^2 + 4331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23820061 - 2¹⁹ = 23295773 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 (23823061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30921 + ... + 31681.

It is an arithmetic number, because the mean of its divisors is an integer number (3018663).

Almost surely, 2^23820061 is an apocalyptic number.

It is an amenable number.

23820061 is a deficient number, since it is larger than the sum of its proper divisors (329243).

23820061 is a wasteful number, since it uses less digits than its factorization.

23820061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 23820061 is about 4880.5799860263. The cubic root of 23820061 is about 287.7272245254.

Adding to 23820061 its reverse (16002832), we get a palindrome (39822893).

The spelling of 23820061 in words is "twenty-three million, eight hundred twenty thousand, sixty-one".