98521123 has 2 divisors, whose sum is σ = 98521124. Its totient is φ = 98521122.

The previous prime is 98521081. The next prime is 98521141. The reversal of 98521123 is 32112589.

It is a strong prime.

It is an emirp because it is prime and its reverse (32112589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98521123 - 2¹⁷ = 98390051 is a prime.

It is a super-2 number, since 2×98521123² = 19412823354362258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98521183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49260561 + 49260562.

It is an arithmetic number, because the mean of its divisors is an integer number (49260562).

Almost surely, 2^98521123 is an apocalyptic number.

98521123 is a deficient number, since it is larger than the sum of its proper divisors (1).

98521123 is an equidigital number, since it uses as much as digits as its factorization.

98521123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 98521123 is about 9925.7807249606. The cubic root of 98521123 is about 461.8593973170.

The spelling of 98521123 in words is "ninety-eight million, five hundred twenty-one thousand, one hundred twenty-three".