99023401 has 2 divisors, whose sum is σ = 99023402. Its totient is φ = 99023400.

The previous prime is 99023381. The next prime is 99023411. The reversal of 99023401 is 10432099.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91183401 + 7840000 = 9549^2 + 2800^2 .

It is an emirp because it is prime and its reverse (10432099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99023401 - 2¹¹ = 99021353 is a prime.

It is a super-3 number, since 3×99023401³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99023401.

It is not a weakly prime, because it can be changed into another prime (99023411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49511700 + 49511701.

It is an arithmetic number, because the mean of its divisors is an integer number (49511701).

Almost surely, 2^99023401 is an apocalyptic number.

It is an amenable number.

99023401 is a deficient number, since it is larger than the sum of its proper divisors (1).

99023401 is an equidigital number, since it uses as much as digits as its factorization.

99023401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 99023401 is about 9951.0502460796. The cubic root of 99023401 is about 462.6429473893.

The spelling of 99023401 in words is "ninety-nine million, twenty-three thousand, four hundred one".