101440145423 has 8 divisors (see below), whose sum is σ = 101923816176. Its totient is φ = 100956888000.

The previous prime is 101440145419. The next prime is 101440145447. The reversal of 101440145423 is 324541044101.

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 101440145423 - 2² = 101440145419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101440141423) 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, 394373 + ... + 598673.

It is an arithmetic number, because the mean of its divisors is an integer number (12740477022).

Almost surely, 2^101440145423 is an apocalyptic number.

101440145423 is a deficient number, since it is larger than the sum of its proper divisors (483670753).

101440145423 is a wasteful number, since it uses less digits than its factorization.

101440145423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206665.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 101440145423 its reverse (324541044101), we get a palindrome (425981189524).

The spelling of 101440145423 in words is "one hundred one billion, four hundred forty million, one hundred forty-five thousand, four hundred twenty-three".