140554423 has 2 divisors, whose sum is σ = 140554424. Its totient is φ = 140554422.

The previous prime is 140554399. The next prime is 140554433. The reversal of 140554423 is 324455041.

It is a strong prime.

It is an emirp because it is prime and its reverse (324455041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140554423 - 2¹⁷ = 140423351 is a prime.

It is a super-3 number, since 3×140554423³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140554391 and 140554400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140554433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70277211 + 70277212.

It is an arithmetic number, because the mean of its divisors is an integer number (70277212).

Almost surely, 2^140554423 is an apocalyptic number.

140554423 is a deficient number, since it is larger than the sum of its proper divisors (1).

140554423 is an equidigital number, since it uses as much as digits as its factorization.

140554423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 140554423 is about 11855.5650645593. The cubic root of 140554423 is about 519.9339450118.

The spelling of 140554423 in words is "one hundred forty million, five hundred fifty-four thousand, four hundred twenty-three".