99769123 has 2 divisors, whose sum is σ = 99769124. Its totient is φ = 99769122.

The previous prime is 99769081. The next prime is 99769127. The reversal of 99769123 is 32196799.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99769123 is a prime.

It is not a weakly prime, because it can be changed into another prime (99769127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49884561 + 49884562.

It is an arithmetic number, because the mean of its divisors is an integer number (49884562).

Almost surely, 2^99769123 is an apocalyptic number.

99769123 is a deficient number, since it is larger than the sum of its proper divisors (1).

99769123 is an equidigital number, since it uses as much as digits as its factorization.

99769123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 99769123 is about 9988.4494792735. The cubic root of 99769123 is about 463.8013960663.

The spelling of 99769123 in words is "ninety-nine million, seven hundred sixty-nine thousand, one hundred twenty-three".