23551120153 has 8 divisors (see below), whose sum is σ = 27203433120. Its totient is φ = 20150690880.

The previous prime is 23551120079. The next prime is 23551120171. The reversal of 23551120153 is 35102115532.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23551120153 is a prime.

It is a super-2 number, since 2×23551120153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23551120183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62970723 + ... + 62971096.

It is an arithmetic number, because the mean of its divisors is an integer number (3400429140).

Almost surely, 2^23551120153 is an apocalyptic number.

It is an amenable number.

23551120153 is a deficient number, since it is larger than the sum of its proper divisors (3652312967).

23551120153 is a wasteful number, since it uses less digits than its factorization.

23551120153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125941847.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 23551120153 its reverse (35102115532), we get a palindrome (58653235685).

The spelling of 23551120153 in words is "twenty-three billion, five hundred fifty-one million, one hundred twenty thousand, one hundred fifty-three".