90848040923 has 4 divisors (see below), whose sum is σ = 90889206720. Its totient is φ = 90806875128.

The previous prime is 90848040901. The next prime is 90848040937. The reversal of 90848040923 is 32904084809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32904084809 = 23 ⋅1430612383.

It is a cyclic number.

It is not a de Polignac number, because 90848040923 - 2¹² = 90848036827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90848040823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20579588 + ... + 20584001.

It is an arithmetic number, because the mean of its divisors is an integer number (22722301680).

Almost surely, 2^90848040923 is an apocalyptic number.

90848040923 is a deficient number, since it is larger than the sum of its proper divisors (41165797).

90848040923 is a wasteful number, since it uses less digits than its factorization.

90848040923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41165796.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 90848040923 in words is "ninety billion, eight hundred forty-eight million, forty thousand, nine hundred twenty-three".