23780873 has 4 divisors (see below), whose sum is σ = 24814848. Its totient is φ = 22746900.

The previous prime is 23780851. The next prime is 23780879. The reversal of 23780873 is 37808732.

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 23780873 - 2¹² = 23776777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23780879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516953 + ... + 516998.

It is an arithmetic number, because the mean of its divisors is an integer number (6203712).

Almost surely, 2^23780873 is an apocalyptic number.

23780873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23780873 is a deficient number, since it is larger than the sum of its proper divisors (1033975).

23780873 is a wasteful number, since it uses less digits than its factorization.

23780873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033974.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 23780873 is about 4876.5636466676. The cubic root of 23780873 is about 287.5693513855.

The spelling of 23780873 in words is "twenty-three million, seven hundred eighty thousand, eight hundred seventy-three".