23120520354054 has 48 divisors (see below), whose sum is σ = 53042014378080. Its totient is φ = 7253384359680.

The previous prime is 23120520354053. The next prime is 23120520354059. The reversal of 23120520354054 is 45045302502132.

23120520354054 is a `hidden beast` number, since 2 + 3 + 12 + 0 + 52 + 0 + 3 + 540 + 54 = 666.

It is a super-2 number, since 2×23120520354054² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120520354053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20462559 + ... + 21562869.

It is an arithmetic number, because the mean of its divisors is an integer number (1105041966210).

Almost surely, 2^{23120520354054} is an apocalyptic number.

23120520354054 is an abundant number, since it is smaller than the sum of its proper divisors (29921494024026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23120520354054 is a wasteful number, since it uses less digits than its factorization.

23120520354054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169005 (or 1169002 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 23120520354054 its reverse (45045302502132), we get a palindrome (68165822856186).

The spelling of 23120520354054 in words is "twenty-three trillion, one hundred twenty billion, five hundred twenty million, three hundred fifty-four thousand, fifty-four".