140423142142553 has 4 divisors (see below), whose sum is σ = 140423597680080. Its totient is φ = 140422686605028.

The previous prime is 140423142142519. The next prime is 140423142142567. The reversal of 140423142142553 is 355241241324041.

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 not a de Polignac number, because 140423142142553 - 2³⁶ = 140354422665817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140423142142553.

It is not an unprimeable number, because it can be changed into a prime (140423142442553) 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, 227306063 + ... + 227922996.

It is an arithmetic number, because the mean of its divisors is an integer number (35105899420020).

Almost surely, 2^{140423142142553} is an apocalyptic number.

It is an amenable number.

140423142142553 is a deficient number, since it is larger than the sum of its proper divisors (455537527).

140423142142553 is an equidigital number, since it uses as much as digits as its factorization.

140423142142553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455537526.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 140423142142553 its reverse (355241241324041), we get a palindrome (495664383466594).

The spelling of 140423142142553 in words is "one hundred forty trillion, four hundred twenty-three billion, one hundred forty-two million, one hundred forty-two thousand, five hundred fifty-three".