140423245631 has 2 divisors, whose sum is σ = 140423245632. Its totient is φ = 140423245630.

The previous prime is 140423245583. The next prime is 140423245643. The reversal of 140423245631 is 136542324041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140423245631 - 2¹⁰ = 140423244607 is a prime.

It is a super-2 number, since 2×140423245631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140423245591 and 140423245600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140423248631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70211622815 + 70211622816.

It is an arithmetic number, because the mean of its divisors is an integer number (70211622816).

Almost surely, 2^140423245631 is an apocalyptic number.

140423245631 is a deficient number, since it is larger than the sum of its proper divisors (1).

140423245631 is an equidigital number, since it uses as much as digits as its factorization.

140423245631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 140423245631 its reverse (136542324041), we get a palindrome (276965569672).

The spelling of 140423245631 in words is "one hundred forty billion, four hundred twenty-three million, two hundred forty-five thousand, six hundred thirty-one".