99751423 has 2 divisors, whose sum is σ = 99751424. Its totient is φ = 99751422.

The previous prime is 99751417. The next prime is 99751441. The reversal of 99751423 is 32415799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99751423 - 2¹⁷ = 99620351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99751493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49875711 + 49875712.

It is an arithmetic number, because the mean of its divisors is an integer number (49875712).

Almost surely, 2^99751423 is an apocalyptic number.

99751423 is a deficient number, since it is larger than the sum of its proper divisors (1).

99751423 is an equidigital number, since it uses as much as digits as its factorization.

99751423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 99751423 is about 9987.5634165696. The cubic root of 99751423 is about 463.7739668377.

The spelling of 99751423 in words is "ninety-nine million, seven hundred fifty-one thousand, four hundred twenty-three".