140023402233401 has 4 divisors (see below), whose sum is σ = 140043471525492. Its totient is φ = 140003332941312.

The previous prime is 140023402233371. The next prime is 140023402233439. The reversal of 140023402233401 is 104332204320041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55565023098025 + 84458379135376 = 7454195^2 + 9190124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140023402233401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140023402235401) 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, 10034635580 + ... + 10034649533.

It is an arithmetic number, because the mean of its divisors is an integer number (35010867881373).

Almost surely, 2^{140023402233401} is an apocalyptic number.

It is an amenable number.

140023402233401 is a deficient number, since it is larger than the sum of its proper divisors (20069292091).

140023402233401 is an equidigital number, since it uses as much as digits as its factorization.

140023402233401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20069292090.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140023402233401 its reverse (104332204320041), we get a palindrome (244355606553442).

The spelling of 140023402233401 in words is "one hundred forty trillion, twenty-three billion, four hundred two million, two hundred thirty-three thousand, four hundred one".