101123522043 has 4 divisors (see below), whose sum is σ = 134831362728. Its totient is φ = 67415681360.

The previous prime is 101123522023. The next prime is 101123522051. The reversal of 101123522043 is 340225321101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101123522043 - 2⁶ = 101123521979 is a prime.

It is a super-2 number, since 2×101123522043² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101123522023) 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, 16853920338 + ... + 16853920343.

It is an arithmetic number, because the mean of its divisors is an integer number (33707840682).

Almost surely, 2^101123522043 is an apocalyptic number.

101123522043 is a deficient number, since it is larger than the sum of its proper divisors (33707840685).

101123522043 is an equidigital number, since it uses as much as digits as its factorization.

101123522043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33707840684.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 101123522043 its reverse (340225321101), we get a palindrome (441348843144).

The spelling of 101123522043 in words is "one hundred one billion, one hundred twenty-three million, five hundred twenty-two thousand, forty-three".