90233711 has 2 divisors, whose sum is σ = 90233712. Its totient is φ = 90233710.

The previous prime is 90233659. The next prime is 90233723. The reversal of 90233711 is 11733209.

It is a strong prime.

It is an emirp because it is prime and its reverse (11733209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90233711 - 2¹⁰ = 90232687 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 (90233111) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45116855 + 45116856.

It is an arithmetic number, because the mean of its divisors is an integer number (45116856).

Almost surely, 2^90233711 is an apocalyptic number.

90233711 is a deficient number, since it is larger than the sum of its proper divisors (1).

90233711 is an equidigital number, since it uses as much as digits as its factorization.

90233711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 90233711 is about 9499.1426455233. The cubic root of 90233711 is about 448.5280481020.

The spelling of 90233711 in words is "ninety million, two hundred thirty-three thousand, seven hundred eleven".