101543323553 has 8 divisors (see below), whose sum is σ = 121095143808. Its totient is φ = 83252911104.

The previous prime is 101543323547. The next prime is 101543323559. The reversal of 101543323553 is 355323345101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101543323547) and next prime (101543323559).

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

It is a cyclic number.

It is not a de Polignac number, because 101543323553 - 2¹⁴ = 101543307169 is a prime.

It is a super-2 number, since 2×101543323553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101543323559) 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, 315351776 + ... + 315352097.

It is an arithmetic number, because the mean of its divisors is an integer number (15136892976).

Almost surely, 2^101543323553 is an apocalyptic number.

It is an amenable number.

101543323553 is a deficient number, since it is larger than the sum of its proper divisors (19551820255).

101543323553 is an equidigital number, since it uses as much as digits as its factorization.

101543323553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630703903.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 101543323553 its reverse (355323345101), we get a palindrome (456866668654).

The spelling of 101543323553 in words is "one hundred one billion, five hundred forty-three million, three hundred twenty-three thousand, five hundred fifty-three".