140223420101 has 4 divisors (see below), whose sum is σ = 140225635872. Its totient is φ = 140221204332.

The previous prime is 140223420091. The next prime is 140223420119. The reversal of 140223420101 is 101024322041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140223420101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223420301) 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, 1010081 + ... + 1140486.

It is an arithmetic number, because the mean of its divisors is an integer number (35056408968).

Almost surely, 2^140223420101 is an apocalyptic number.

It is an amenable number.

140223420101 is a deficient number, since it is larger than the sum of its proper divisors (2215771).

140223420101 is an equidigital number, since it uses as much as digits as its factorization.

140223420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215770.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 140223420101 its reverse (101024322041), we get a palindrome (241247742142).

The spelling of 140223420101 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty thousand, one hundred one".