23534437 has 2 divisors, whose sum is σ = 23534438. Its totient is φ = 23534436.

The previous prime is 23534419. The next prime is 23534449. The reversal of 23534437 is 73443532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13793796 + 9740641 = 3714^2 + 3121^2 .

It is a cyclic number.

It is not a de Polignac number, because 23534437 - 2⁷ = 23534309 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23534399 and 23534408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23534417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11767218 + 11767219.

It is an arithmetic number, because the mean of its divisors is an integer number (11767219).

Almost surely, 2^23534437 is an apocalyptic number.

It is an amenable number.

23534437 is a deficient number, since it is larger than the sum of its proper divisors (1).

23534437 is an equidigital number, since it uses as much as digits as its factorization.

23534437 is an evil number, because the sum of its binary digits is even.

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

The square root of 23534437 is about 4851.2304624703. The cubic root of 23534437 is about 286.5725607518.

Adding to 23534437 its reverse (73443532), we get a palindrome (96977969).

The spelling of 23534437 in words is "twenty-three million, five hundred thirty-four thousand, four hundred thirty-seven".