90943723 has 16 divisors (see below), whose sum is σ = 100100896. Its totient is φ = 82114560.

The previous prime is 90943717. The next prime is 90943729. The reversal of 90943723 is 32734909.

It is an interprime number because it is at equal distance from previous prime (90943717) and next prime (90943729).

It is a cyclic number.

It is not a de Polignac number, because 90943723 - 2⁹ = 90943211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90943729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167833 + ... + 168373.

It is an arithmetic number, because the mean of its divisors is an integer number (6256306).

Almost surely, 2^90943723 is an apocalyptic number.

90943723 is a deficient number, since it is larger than the sum of its proper divisors (9157173).

90943723 is a wasteful number, since it uses less digits than its factorization.

90943723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

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

The square root of 90943723 is about 9536.4418416934. The cubic root of 90943723 is about 449.7014035569.

The spelling of 90943723 in words is "ninety million, nine hundred forty-three thousand, seven hundred twenty-three".