23477109 has 4 divisors (see below), whose sum is σ = 31302816. Its totient is φ = 15651404.

The previous prime is 23477087. The next prime is 23477123. The reversal of 23477109 is 90177432.

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 23477109 - 2¹⁶ = 23411573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23477109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23477149) 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, 3912849 + ... + 3912854.

It is an arithmetic number, because the mean of its divisors is an integer number (7825704).

Almost surely, 2^23477109 is an apocalyptic number.

It is an amenable number.

23477109 is a deficient number, since it is larger than the sum of its proper divisors (7825707).

23477109 is an equidigital number, since it uses as much as digits as its factorization.

23477109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825706.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 23477109 is about 4845.3182558012. The cubic root of 23477109 is about 286.3396823043.

The spelling of 23477109 in words is "twenty-three million, four hundred seventy-seven thousand, one hundred nine".