10998523 has 2 divisors, whose sum is σ = 10998524. Its totient is φ = 10998522.

The previous prime is 10998499. The next prime is 10998551. The reversal of 10998523 is 32589901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10998523 - 2⁹ = 10998011 is a prime.

It is not a weakly prime, because it can be changed into another prime (10998553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499261 + 5499262.

It is an arithmetic number, because the mean of its divisors is an integer number (5499262).

Almost surely, 2^10998523 is an apocalyptic number.

10998523 is a deficient number, since it is larger than the sum of its proper divisors (1).

10998523 is an equidigital number, since it uses as much as digits as its factorization.

10998523 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 10998523 is about 3316.4021167524. The cubic root of 10998523 is about 222.3880546156.

The spelling of 10998523 in words is "ten million, nine hundred ninety-eight thousand, five hundred twenty-three".