90603723 has 32 divisors (see below), whose sum is σ = 146890240. Its totient is φ = 48522240.

The previous prime is 90603719. The next prime is 90603749. The reversal of 90603723 is 32730609.

It is a happy number.

It is not a de Polignac number, because 90603723 - 2² = 90603719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90603703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37533 + ... + 39873.

It is an arithmetic number, because the mean of its divisors is an integer number (4590320).

Almost surely, 2^90603723 is an apocalyptic number.

90603723 is a deficient number, since it is larger than the sum of its proper divisors (56286517).

90603723 is a wasteful number, since it uses less digits than its factorization.

90603723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 90603723 is about 9518.5987939402. The cubic root of 90603723 is about 449.1402894608.

The spelling of 90603723 in words is "ninety million, six hundred three thousand, seven hundred twenty-three".