101551620434023 has 8 divisors (see below), whose sum is σ = 101894052298896. Its totient is φ = 101209563840000.

The previous prime is 101551620433997. The next prime is 101551620434051. The reversal of 101551620434023 is 320434026155101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101551620434023 is a prime.

It is a super-2 number, since 2×101551620434023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101551620434323) 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, 93275578 + ... + 94358023.

It is an arithmetic number, because the mean of its divisors is an integer number (12736756537362).

Almost surely, 2^{101551620434023} is an apocalyptic number.

101551620434023 is a deficient number, since it is larger than the sum of its proper divisors (342431864873).

101551620434023 is a wasteful number, since it uses less digits than its factorization.

101551620434023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187635425.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 101551620434023 its reverse (320434026155101), we get a palindrome (421985646589124).

The spelling of 101551620434023 in words is "one hundred one trillion, five hundred fifty-one billion, six hundred twenty million, four hundred thirty-four thousand, twenty-three".