918201054223 has 4 divisors (see below), whose sum is σ = 972212880960. Its totient is φ = 864189227488.

The previous prime is 918201054217. The next prime is 918201054259. The reversal of 918201054223 is 322450102819.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 918201054223 - 2¹³ = 918201046031 is a prime.

It is a super-2 number, since 2×918201054223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918201054283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27005913343 + ... + 27005913376.

It is an arithmetic number, because the mean of its divisors is an integer number (243053220240).

Almost surely, 2^918201054223 is an apocalyptic number.

918201054223 is a deficient number, since it is larger than the sum of its proper divisors (54011826737).

918201054223 is a wasteful number, since it uses less digits than its factorization.

918201054223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54011826736.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 918201054223 in words is "nine hundred eighteen billion, two hundred one million, fifty-four thousand, two hundred twenty-three".