99243243 has 12 divisors (see below), whose sum is σ = 156383448. Its totient is φ = 60147360.

The previous prime is 99243241. The next prime is 99243259. The reversal of 99243243 is 34234299.

It is not a de Polignac number, because 99243243 - 2¹ = 99243241 is a prime.

99243243 is a modest number, since divided by 243243 gives 99 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 99243198 and 99243207.

It is not an unprimeable number, because it can be changed into a prime (99243241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501130 + ... + 501327.

It is an arithmetic number, because the mean of its divisors is an integer number (13031954).

Almost surely, 2^99243243 is an apocalyptic number.

99243243 is a deficient number, since it is larger than the sum of its proper divisors (57140205).

99243243 is a wasteful number, since it uses less digits than its factorization.

99243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002474 (or 1002471 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 99243243 is about 9962.0902927046. The cubic root of 99243243 is about 462.9850657670.

It can be divided in two parts, 99 and 243243, that added together give a palindrome (243342).

The spelling of 99243243 in words is "ninety-nine million, two hundred forty-three thousand, two hundred forty-three".