140335423 has 2 divisors, whose sum is σ = 140335424. Its totient is φ = 140335422.

The previous prime is 140335411. The next prime is 140335439. The reversal of 140335423 is 324533041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140335423 - 2²⁵ = 106780991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140335483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70167711 + 70167712.

It is an arithmetic number, because the mean of its divisors is an integer number (70167712).

Almost surely, 2^140335423 is an apocalyptic number.

140335423 is a deficient number, since it is larger than the sum of its proper divisors (1).

140335423 is an equidigital number, since it uses as much as digits as its factorization.

140335423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 140335423 is about 11846.3252952129. The cubic root of 140335423 is about 519.6637656243.

Adding to 140335423 its reverse (324533041), we get a palindrome (464868464).

The spelling of 140335423 in words is "one hundred forty million, three hundred thirty-five thousand, four hundred twenty-three".