99023437 has 2 divisors, whose sum is σ = 99023438. Its totient is φ = 99023436.

The previous prime is 99023413. The next prime is 99023467. The reversal of 99023437 is 73432099.

It is the 4063-rd star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85266756 + 13756681 = 9234^2 + 3709^2 .

It is a cyclic number.

It is not a de Polignac number, because 99023437 - 2¹⁵ = 98990669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99023396 and 99023405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99023467) 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 as a sum of consecutive naturals, namely, 49511718 + 49511719.

It is an arithmetic number, because the mean of its divisors is an integer number (49511719).

Almost surely, 2^99023437 is an apocalyptic number.

It is an amenable number.

99023437 is a deficient number, since it is larger than the sum of its proper divisors (1).

99023437 is an equidigital number, since it uses as much as digits as its factorization.

99023437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 99023437 is about 9951.0520549337. The cubic root of 99023437 is about 462.6430034540.

The spelling of 99023437 in words is "ninety-nine million, twenty-three thousand, four hundred thirty-seven".