99135363223 has 4 divisors (see below), whose sum is σ = 106761160408. Its totient is φ = 91509566040.

The previous prime is 99135363199. The next prime is 99135363253. The reversal of 99135363223 is 32236353199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99135363223 is a prime.

It is a super-2 number, since 2×99135363223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99135363253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812898573 + ... + 3812898598.

It is an arithmetic number, because the mean of its divisors is an integer number (26690290102).

Almost surely, 2^99135363223 is an apocalyptic number.

99135363223 is a deficient number, since it is larger than the sum of its proper divisors (7625797185).

99135363223 is a wasteful number, since it uses less digits than its factorization.

99135363223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625797184.

The product of its digits is 787320, while the sum is 46.

The spelling of 99135363223 in words is "ninety-nine billion, one hundred thirty-five million, three hundred sixty-three thousand, two hundred twenty-three".