23780671 has 4 divisors (see below), whose sum is σ = 25179552. Its totient is φ = 22381792.

The previous prime is 23780657. The next prime is 23780681. The reversal of 23780671 is 17608732.

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

It is not a de Polignac number, because 23780671 - 2¹³ = 23772479 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 (23780651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699415 + ... + 699448.

It is an arithmetic number, because the mean of its divisors is an integer number (6294888).

Almost surely, 2^23780671 is an apocalyptic number.

23780671 is a deficient number, since it is larger than the sum of its proper divisors (1398881).

23780671 is a wasteful number, since it uses less digits than its factorization.

23780671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398880.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 23780671 is about 4876.5429353180. The cubic root of 23780671 is about 287.5685371573.

It can be divided in two parts, 237 and 80671, that added together give a palindrome (80908).

The spelling of 23780671 in words is "twenty-three million, seven hundred eighty thousand, six hundred seventy-one".