99954623 has 2 divisors, whose sum is σ = 99954624. Its totient is φ = 99954622.

The previous prime is 99954587. The next prime is 99954637. The reversal of 99954623 is 32645999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99954623 - 2⁶ = 99954559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99954643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49977311 + 49977312.

It is an arithmetic number, because the mean of its divisors is an integer number (49977312).

Almost surely, 2^99954623 is an apocalyptic number.

99954623 is a deficient number, since it is larger than the sum of its proper divisors (1).

99954623 is an equidigital number, since it uses as much as digits as its factorization.

99954623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 47.

The square root of 99954623 is about 9997.7308925576. The cubic root of 99954623 is about 464.0886656138.

The spelling of 99954623 in words is "ninety-nine million, nine hundred fifty-four thousand, six hundred twenty-three".