140013311442423 has 4 divisors (see below), whose sum is σ = 186684415256568. Its totient is φ = 93342207628280.

The previous prime is 140013311442413. The next prime is 140013311442451. The reversal of 140013311442423 is 324244113310041.

It is a happy number.

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 140013311442423 - 2⁴⁵ = 104828939353591 is a prime.

It is a super-2 number, since 2×140013311442423² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140013311442413) 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, 23335551907068 + ... + 23335551907073.

It is an arithmetic number, because the mean of its divisors is an integer number (46671103814142).

Almost surely, 2^{140013311442423} is an apocalyptic number.

140013311442423 is a deficient number, since it is larger than the sum of its proper divisors (46671103814145).

140013311442423 is an equidigital number, since it uses as much as digits as its factorization.

140013311442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46671103814144.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 140013311442423 its reverse (324244113310041), we get a palindrome (464257424752464).

The spelling of 140013311442423 in words is "one hundred forty trillion, thirteen billion, three hundred eleven million, four hundred forty-two thousand, four hundred twenty-three".