23434573 has 2 divisors, whose sum is σ = 23434574. Its totient is φ = 23434572.

The previous prime is 23434561. The next prime is 23434589. The reversal of 23434573 is 37543432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 1127844 = 4723^2 + 1062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23434573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23434373) 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 as a sum of consecutive naturals, namely, 11717286 + 11717287.

It is an arithmetic number, because the mean of its divisors is an integer number (11717287).

Almost surely, 2^23434573 is an apocalyptic number.

It is an amenable number.

23434573 is a deficient number, since it is larger than the sum of its proper divisors (1).

23434573 is an equidigital number, since it uses as much as digits as its factorization.

23434573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 31.

The square root of 23434573 is about 4840.9268740604. The cubic root of 23434573 is about 286.1666469741.

The spelling of 23434573 in words is "twenty-three million, four hundred thirty-four thousand, five hundred seventy-three".