23154006283321 has 3 divisors (see below), whose sum is σ = 23154011095183. Its totient is φ = 23154001471460.

The previous prime is 23154006283307. The next prime is 23154006283333. The reversal of 23154006283321 is 12338260045132.

The square root of 23154006283321 is 4811861.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 22435275354921 + 718730928400 = 4736589^2 + 847780^2 .

It is not a de Polignac number, because 23154006283321 - 2⁷ = 23154006283193 is a prime.

It is a super-2 number, since 2×23154006283321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23154006283361) 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 2 ways as a sum of consecutive naturals, for example, 2405931 + ... + 7217791.

Almost surely, 2^{23154006283321} is an apocalyptic number.

23154006283321 is the 4811861-st square number.

23154006283321 is the 2405931-st centered octagonal number.

It is an amenable number.

23154006283321 is a deficient number, since it is larger than the sum of its proper divisors (4811862).

23154006283321 is an frugal number, since it uses more digits than its factorization.

23154006283321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623722 (or 4811861 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 23154006283321 in words is "twenty-three trillion, one hundred fifty-four billion, six million, two hundred eighty-three thousand, three hundred twenty-one".