23555111042 has 8 divisors (see below), whose sum is σ = 35816675916. Its totient is φ = 11616219072.

The previous prime is 23555110993. The next prime is 23555111101. The reversal of 23555111042 is 24011155532.

It can be written as a sum of positive squares in 2 ways, for example, as 23528185321 + 26925721 = 153389^2 + 5189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23555110996 and 23555111014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80668043 + ... + 80668334.

Almost surely, 2^23555111042 is an apocalyptic number.

23555111042 is a deficient number, since it is larger than the sum of its proper divisors (12261564874).

23555111042 is a wasteful number, since it uses less digits than its factorization.

23555111042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161336452.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 23555111042 its reverse (24011155532), we get a palindrome (47566266574).

The spelling of 23555111042 in words is "twenty-three billion, five hundred fifty-five million, one hundred eleven thousand, forty-two".