23555452442 has 4 divisors (see below), whose sum is σ = 35333178666. Its totient is φ = 11777726220.

The previous prime is 23555452441. The next prime is 23555452477. The reversal of 23555452442 is 24425455532.

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

It can be written as a sum of positive squares in only one way, i.e., 18673495801 + 4881956641 = 136651^2 + 69871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23555452442.

It is not an unprimeable number, because it can be changed into a prime (23555452441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5888863109 + ... + 5888863112.

Almost surely, 2^23555452442 is an apocalyptic number.

23555452442 is a deficient number, since it is larger than the sum of its proper divisors (11777726224).

23555452442 is a wasteful number, since it uses less digits than its factorization.

23555452442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11777726223.

The product of its digits is 960000, while the sum is 41.

The spelling of 23555452442 in words is "twenty-three billion, five hundred fifty-five million, four hundred fifty-two thousand, four hundred forty-two".