140423204503 has 2 divisors, whose sum is σ = 140423204504. Its totient is φ = 140423204502.

The previous prime is 140423204407. The next prime is 140423204507. The reversal of 140423204503 is 305402324041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140423204503 - 2¹³ = 140423196311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140423204507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70211602251 + 70211602252.

It is an arithmetic number, because the mean of its divisors is an integer number (70211602252).

Almost surely, 2^140423204503 is an apocalyptic number.

140423204503 is a deficient number, since it is larger than the sum of its proper divisors (1).

140423204503 is an equidigital number, since it uses as much as digits as its factorization.

140423204503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 140423204503 its reverse (305402324041), we get a palindrome (445825528544).

The spelling of 140423204503 in words is "one hundred forty billion, four hundred twenty-three million, two hundred four thousand, five hundred three".