23010661 has 4 divisors (see below), whose sum is σ = 23026432. Its totient is φ = 22994892.

The previous prime is 23010643. The next prime is 23010679. The reversal of 23010661 is 16601032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23010643) and next prime (23010679).

It is a cyclic number.

It is not a de Polignac number, because 23010661 - 2¹¹ = 23008613 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 (23010161) 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, 5445 + ... + 8698.

It is an arithmetic number, because the mean of its divisors is an integer number (5756608).

Almost surely, 2^23010661 is an apocalyptic number.

It is an amenable number.

23010661 is a deficient number, since it is larger than the sum of its proper divisors (15771).

23010661 is a wasteful number, since it uses less digits than its factorization.

23010661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 23010661 is about 4796.9428806272. The cubic root of 23010661 is about 284.4306310035.

Adding to 23010661 its reverse (16601032), we get a palindrome (39611693).

The spelling of 23010661 in words is "twenty-three million, ten thousand, six hundred sixty-one".