23920043 has 8 divisors (see below), whose sum is σ = 27384288. Its totient is φ = 20467584.

The previous prime is 23920007. The next prime is 23920067. The reversal of 23920043 is 34002932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23920043 - 2⁸ = 23919787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23920073) 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 7 ways as a sum of consecutive naturals, for example, 1955 + ... + 7187.

It is an arithmetic number, because the mean of its divisors is an integer number (3423036).

Almost surely, 2^23920043 is an apocalyptic number.

23920043 is a deficient number, since it is larger than the sum of its proper divisors (3464245).

23920043 is an equidigital number, since it uses as much as digits as its factorization.

23920043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23920043 is about 4890.8121002549. The cubic root of 23920043 is about 288.1292300375.

Adding to 23920043 its reverse (34002932), we get a palindrome (57922975).

The spelling of 23920043 in words is "twenty-three million, nine hundred twenty thousand, forty-three".