140131023 has 16 divisors (see below), whose sum is σ = 201252480. Its totient is φ = 86444064.

The previous prime is 140131021. The next prime is 140131027. The reversal of 140131023 is 320131041.

It is not a de Polignac number, because 140131023 - 2¹ = 140131021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140130993 and 140131011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140131021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26136 + ... + 31037.

It is an arithmetic number, because the mean of its divisors is an integer number (12578280).

Almost surely, 2^140131023 is an apocalyptic number.

140131023 is a deficient number, since it is larger than the sum of its proper divisors (61121457).

140131023 is a wasteful number, since it uses less digits than its factorization.

140131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57238.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140131023 is about 11837.6950036736. The cubic root of 140131023 is about 519.4113444774.

Adding to 140131023 its reverse (320131041), we get a palindrome (460262064).

The spelling of 140131023 in words is "one hundred forty million, one hundred thirty-one thousand, twenty-three".