101123131345 has 8 divisors (see below), whose sum is σ = 125262201600. Its totient is φ = 78288875760.

The previous prime is 101123131339. The next prime is 101123131379. The reversal of 101123131345 is 543131321101.

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

It is not a de Polignac number, because 101123131345 - 2³⁵ = 66763392977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326203495 + ... + 326203804.

It is an arithmetic number, because the mean of its divisors is an integer number (15657775200).

Almost surely, 2^101123131345 is an apocalyptic number.

It is an amenable number.

101123131345 is a deficient number, since it is larger than the sum of its proper divisors (24139070255).

101123131345 is an equidigital number, since it uses as much as digits as its factorization.

101123131345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652407335.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 101123131345 its reverse (543131321101), we get a palindrome (644254452446).

The spelling of 101123131345 in words is "one hundred one billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred forty-five".