140023402011243 has 12 divisors (see below), whose sum is σ = 204258560030928. Its totient is φ = 92424687795600.

The previous prime is 140023402011221. The next prime is 140023402011263. The reversal of 140023402011243 is 342110204320041.

140023402011243 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 2 + 3 + 402 + 0 + 11 + 243 = 666.

It is not a de Polignac number, because 140023402011243 - 2¹⁴ = 140023401994859 is a prime.

It is a super-2 number, since 2×140023402011243² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140023402011263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77020572255 + ... + 77020574072.

It is an arithmetic number, because the mean of its divisors is an integer number (17021546669244).

Almost surely, 2^{140023402011243} is an apocalyptic number.

140023402011243 is a deficient number, since it is larger than the sum of its proper divisors (64235158019685).

140023402011243 is a wasteful number, since it uses less digits than its factorization.

140023402011243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154041146434 (or 154041146431 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140023402011243 its reverse (342110204320041), we get a palindrome (482133606331284).

The spelling of 140023402011243 in words is "one hundred forty trillion, twenty-three billion, four hundred two million, eleven thousand, two hundred forty-three".