23043479 has 2 divisors, whose sum is σ = 23043480. Its totient is φ = 23043478.

The previous prime is 23043443. The next prime is 23043481. The reversal of 23043479 is 97434032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23043479 - 2¹² = 23039383 is a prime.

Together with 23043481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23043439) 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 as a sum of consecutive naturals, namely, 11521739 + 11521740.

It is an arithmetic number, because the mean of its divisors is an integer number (11521740).

Almost surely, 2^23043479 is an apocalyptic number.

23043479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043479 is an equidigital number, since it uses as much as digits as its factorization.

23043479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 23043479 is about 4800.3623821541. The cubic root of 23043479 is about 284.5657858974.

The spelling of 23043479 in words is "twenty-three million, forty-three thousand, four hundred seventy-nine".