10989523 has 2 divisors, whose sum is σ = 10989524. Its totient is φ = 10989522.

The previous prime is 10989509. The next prime is 10989527. The reversal of 10989523 is 32598901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10989523 - 2¹³ = 10981331 is a prime.

It is not a weakly prime, because it can be changed into another prime (10989527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5494761 + 5494762.

It is an arithmetic number, because the mean of its divisors is an integer number (5494762).

Almost surely, 2^10989523 is an apocalyptic number.

10989523 is a deficient number, since it is larger than the sum of its proper divisors (1).

10989523 is an equidigital number, since it uses as much as digits as its factorization.

10989523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 10989523 is about 3315.0449469049. The cubic root of 10989523 is about 222.3273786299.

The spelling of 10989523 in words is "ten million, nine hundred eighty-nine thousand, five hundred twenty-three".