23454440101020 has 96 divisors (see below), whose sum is σ = 65958264852480. Its totient is φ = 6227305712640.

The previous prime is 23454440100997. The next prime is 23454440101021. The reversal of 23454440101020 is 2010104445432.

It is a super-2 number, since 2×23454440101020² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454440101021) 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, 72471121 + ... + 72794039.

It is an arithmetic number, because the mean of its divisors is an integer number (687065258880).

Almost surely, 2^{23454440101020} is an apocalyptic number.

23454440101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23454440101020 is an abundant number, since it is smaller than the sum of its proper divisors (42503824751460).

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

23454440101020 is a wasteful number, since it uses less digits than its factorization.

23454440101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328195 (or 328193 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 23454440101020 its reverse (2010104445432), we get a palindrome (25464544546452).

The spelling of 23454440101020 in words is "twenty-three trillion, four hundred fifty-four billion, four hundred forty million, one hundred one thousand, twenty".