23311241402145 has 32 divisors (see below), whose sum is σ = 37462067982720. Its totient is φ = 12378076592640.

The previous prime is 23311241402041. The next prime is 23311241402159. The reversal of 23311241402145 is 54120414211332.

It is not a de Polignac number, because 23311241402145 - 2⁹ = 23311241401633 is a prime.

It is a super-2 number, since 2×23311241402145² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52741 + ... + 6828269.

It is an arithmetic number, because the mean of its divisors is an integer number (1170689624460).

Almost surely, 2^{23311241402145} is an apocalyptic number.

It is an amenable number.

23311241402145 is a deficient number, since it is larger than the sum of its proper divisors (14150826580575).

23311241402145 is a wasteful number, since it uses less digits than its factorization.

23311241402145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776545.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 23311241402145 its reverse (54120414211332), we get a palindrome (77431655613477).

The spelling of 23311241402145 in words is "twenty-three trillion, three hundred eleven billion, two hundred forty-one million, four hundred two thousand, one hundred forty-five".