23532143353 has 4 divisors (see below), whose sum is σ = 23567852880. Its totient is φ = 23496433828.

The previous prime is 23532143339. The next prime is 23532143357. The reversal of 23532143353 is 35334123532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23532143353 is a prime.

It is a super-2 number, since 2×23532143353² (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 (23532143357) 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, 17853775 + ... + 17855092.

It is an arithmetic number, because the mean of its divisors is an integer number (5891963220).

Almost surely, 2^23532143353 is an apocalyptic number.

It is an amenable number.

23532143353 is a deficient number, since it is larger than the sum of its proper divisors (35709527).

23532143353 is an equidigital number, since it uses as much as digits as its factorization.

23532143353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35709526.

The product of its digits is 97200, while the sum is 34.

Adding to 23532143353 its reverse (35334123532), we get a palindrome (58866266885).

The spelling of 23532143353 in words is "twenty-three billion, five hundred thirty-two million, one hundred forty-three thousand, three hundred fifty-three".