140421120423 has 32 divisors (see below), whose sum is σ = 192765312000. Its totient is φ = 90897456000.

The previous prime is 140421120403. The next prime is 140421120533. The reversal of 140421120423 is 324021124041.

It is not a de Polignac number, because 140421120423 - 2¹⁶ = 140421054887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140421120393 and 140421120402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140421120403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3546928 + ... + 3586298.

It is an arithmetic number, because the mean of its divisors is an integer number (6023916000).

Almost surely, 2^140421120423 is an apocalyptic number.

140421120423 is a deficient number, since it is larger than the sum of its proper divisors (52344191577).

140421120423 is a wasteful number, since it uses less digits than its factorization.

140421120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39703.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 140421120423 its reverse (324021124041), we get a palindrome (464442244464).

The spelling of 140421120423 in words is "one hundred forty billion, four hundred twenty-one million, one hundred twenty thousand, four hundred twenty-three".