23401453553442 has 48 divisors (see below), whose sum is σ = 51880217009400. Its totient is φ = 7621113657600.

The previous prime is 23401453553437. The next prime is 23401453553459. The reversal of 23401453553442 is 24435535410432.

23401453553442 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 1 + 4 + 53 + 553 + 4 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5812144683921 + 17589308869521 = 2410839^2 + 4193961^2 .

It is an unprimeable number.

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, 71355859 + ... + 71683062.

Almost surely, 2^{23401453553442} is an apocalyptic number.

23401453553442 is an abundant number, since it is smaller than the sum of its proper divisors (28478763455958).

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

23401453553442 is a wasteful number, since it uses less digits than its factorization.

23401453553442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143039139 (or 143039136 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

Adding to 23401453553442 its reverse (24435535410432), we get a palindrome (47836988963874).

The spelling of 23401453553442 in words is "twenty-three trillion, four hundred one billion, four hundred fifty-three million, five hundred fifty-three thousand, four hundred forty-two".