23545414133 has 4 divisors (see below), whose sum is σ = 23555406060. Its totient is φ = 23535422208.

The previous prime is 23545414049. The next prime is 23545414147. The reversal of 23545414133 is 33141454532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16364038084 + 7181376049 = 127922^2 + 84743^2 .

It is a cyclic number.

It is not a de Polignac number, because 23545414133 - 2⁸ = 23545413877 is a prime.

It is a super-2 number, since 2×23545414133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23545414093 and 23545414102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23545414163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4992428 + ... + 4997141.

It is an arithmetic number, because the mean of its divisors is an integer number (5888851515).

Almost surely, 2^23545414133 is an apocalyptic number.

It is an amenable number.

23545414133 is a deficient number, since it is larger than the sum of its proper divisors (9991927).

23545414133 is an equidigital number, since it uses as much as digits as its factorization.

23545414133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991926.

The product of its digits is 86400, while the sum is 35.

Adding to 23545414133 its reverse (33141454532), we get a palindrome (56686868665).

The spelling of 23545414133 in words is "twenty-three billion, five hundred forty-five million, four hundred fourteen thousand, one hundred thirty-three".