101440200423 has 16 divisors (see below), whose sum is σ = 142712035200. Its totient is φ = 63914574240.

The previous prime is 101440200419. The next prime is 101440200427. The reversal of 101440200423 is 324002044101.

It is an interprime number because it is at equal distance from previous prime (101440200419) and next prime (101440200427).

It is not a de Polignac number, because 101440200423 - 2² = 101440200419 is a prime.

It is a super-2 number, since 2×101440200423² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101440200423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101440200427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099808 + ... + 2147573.

It is an arithmetic number, because the mean of its divisors is an integer number (8919502200).

Almost surely, 2^101440200423 is an apocalyptic number.

101440200423 is a deficient number, since it is larger than the sum of its proper divisors (41271834777).

101440200423 is a wasteful number, since it uses less digits than its factorization.

101440200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247822.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 101440200423 its reverse (324002044101), we get a palindrome (425442244524).

The spelling of 101440200423 in words is "one hundred one billion, four hundred forty million, two hundred thousand, four hundred twenty-three".