23401061 has 4 divisors (see below), whose sum is σ = 24777612. Its totient is φ = 22024512.

The previous prime is 23401019. The next prime is 23401093. The reversal of 23401061 is 16010432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17181025 + 6220036 = 4145^2 + 2494^2 .

It is a cyclic number.

It is not a de Polignac number, because 23401061 - 2⁶ = 23400997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1376533 = 23401061 / (2 + 3 + 4 + 0 + 1 + 0 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688250 + ... + 688283.

It is an arithmetic number, because the mean of its divisors is an integer number (6194403).

Almost surely, 2^23401061 is an apocalyptic number.

It is an amenable number.

23401061 is a deficient number, since it is larger than the sum of its proper divisors (1376551).

23401061 is a wasteful number, since it uses less digits than its factorization.

23401061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376550.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 23401061 is about 4837.4643151139. The cubic root of 23401061 is about 286.0301735163.

Adding to 23401061 its reverse (16010432), we get a palindrome (39411493).

The spelling of 23401061 in words is "twenty-three million, four hundred one thousand, sixty-one".