23349661 has 4 divisors (see below), whose sum is σ = 23454592. Its totient is φ = 23244732.

The previous prime is 23349659. The next prime is 23349671. The reversal of 23349661 is 16694332.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 23349661 - 2¹ = 23349659 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 (23349671) 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, 52131 + ... + 52576.

It is an arithmetic number, because the mean of its divisors is an integer number (5863648).

Almost surely, 2^23349661 is an apocalyptic number.

It is an amenable number.

23349661 is a deficient number, since it is larger than the sum of its proper divisors (104931).

23349661 is a wasteful number, since it uses less digits than its factorization.

23349661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104930.

The product of its digits is 23328, while the sum is 34.

The square root of 23349661 is about 4832.1486939042. The cubic root of 23349661 is about 285.8205999951.

It can be divided in two parts, 233 and 49661, that added together give a palindrome (49894).

The spelling of 23349661 in words is "twenty-three million, three hundred forty-nine thousand, six hundred sixty-one".