23554153011 has 4 divisors (see below), whose sum is σ = 31405537352. Its totient is φ = 15702768672.

The previous prime is 23554153009. The next prime is 23554153031. The reversal of 23554153011 is 11035145532.

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

It is not a de Polignac number, because 23554153011 - 2¹ = 23554153009 is a prime.

It is a super-2 number, since 2×23554153011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23554153011.

It is not an unprimeable number, because it can be changed into a prime (23554153031) 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, 3925692166 + ... + 3925692171.

It is an arithmetic number, because the mean of its divisors is an integer number (7851384338).

Almost surely, 2^23554153011 is an apocalyptic number.

23554153011 is a deficient number, since it is larger than the sum of its proper divisors (7851384341).

23554153011 is an equidigital number, since it uses as much as digits as its factorization.

23554153011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851384340.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 23554153011 its reverse (11035145532), we get a palindrome (34589298543).

The spelling of 23554153011 in words is "twenty-three billion, five hundred fifty-four million, one hundred fifty-three thousand, eleven".