23049437 has 2 divisors, whose sum is σ = 23049438. Its totient is φ = 23049436.

The previous prime is 23049379. The next prime is 23049463. The reversal of 23049437 is 73494032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22905796 + 143641 = 4786^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 23049437 - 2⁶ = 23049373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23049137) 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, 11524718 + 11524719.

It is an arithmetic number, because the mean of its divisors is an integer number (11524719).

Almost surely, 2^23049437 is an apocalyptic number.

It is an amenable number.

23049437 is a deficient number, since it is larger than the sum of its proper divisors (1).

23049437 is an equidigital number, since it uses as much as digits as its factorization.

23049437 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 23049437 is about 4800.9829201946. The cubic root of 23049437 is about 284.5903090586.

The spelling of 23049437 in words is "twenty-three million, forty-nine thousand, four hundred thirty-seven".