23142531235535 has 16 divisors (see below), whose sum is σ = 29271084622560. Its totient is φ = 17516554467840.

The previous prime is 23142531235501. The next prime is 23142531235541. The reversal of 23142531235535 is 53553213524132.

It is not a de Polignac number, because 23142531235535 - 2¹⁸ = 23142530973391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159983942 + ... + 160128531.

It is an arithmetic number, because the mean of its divisors is an integer number (1829442788910).

Almost surely, 2^{23142531235535} is an apocalyptic number.

23142531235535 is a deficient number, since it is larger than the sum of its proper divisors (6128553387025).

23142531235535 is a wasteful number, since it uses less digits than its factorization.

23142531235535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320113258.

The product of its digits is 1620000, while the sum is 44.

Adding to 23142531235535 its reverse (53553213524132), we get a palindrome (76695744759667).

The spelling of 23142531235535 in words is "twenty-three trillion, one hundred forty-two billion, five hundred thirty-one million, two hundred thirty-five thousand, five hundred thirty-five".