99343623 has 16 divisors (see below), whose sum is σ = 137102336. Its totient is φ = 63918720.

The previous prime is 99343619. The next prime is 99343637. The reversal of 99343623 is 32634399.

It is not a de Polignac number, because 99343623 - 2² = 99343619 is a prime.

It is a super-2 number, since 2×99343623² = 19738310861532258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99343523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39036 + ... + 41502.

It is an arithmetic number, because the mean of its divisors is an integer number (8568896).

Almost surely, 2^99343623 is an apocalyptic number.

99343623 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

99343623 is a deficient number, since it is larger than the sum of its proper divisors (37758713).

99343623 is a wasteful number, since it uses less digits than its factorization.

99343623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934.

The product of its digits is 104976, while the sum is 39.

The square root of 99343623 is about 9967.1271186837. The cubic root of 99343623 is about 463.1411092395.

The spelling of 99343623 in words is "ninety-nine million, three hundred forty-three thousand, six hundred twenty-three".