23423043 has 16 divisors (see below), whose sum is σ = 35836416. Its totient is φ = 13330560.

The previous prime is 23422951. The next prime is 23423047. The reversal of 23423043 is 34032432.

It is not a de Polignac number, because 23423043 - 2¹⁷ = 23291971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (23423047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3403 + ... + 7643.

It is an arithmetic number, because the mean of its divisors is an integer number (2239776).

Almost surely, 2^23423043 is an apocalyptic number.

23423043 is a deficient number, since it is larger than the sum of its proper divisors (12413373).

23423043 is a wasteful number, since it uses less digits than its factorization.

23423043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23423043 is about 4839.7358398987. The cubic root of 23423043 is about 286.1197071711.

Adding to 23423043 its reverse (34032432), we get a palindrome (57455475).

The spelling of 23423043 in words is "twenty-three million, four hundred twenty-three thousand, forty-three".