140051623 has 16 divisors (see below), whose sum is σ = 151027200. Its totient is φ = 129530016.

The previous prime is 140051621. The next prime is 140051633. The reversal of 140051623 is 326150041.

It is a cyclic number.

It is not a de Polignac number, because 140051623 - 2¹ = 140051621 is a prime.

It is a super-2 number, since 2×140051623² = 39228914209868258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140051594 and 140051603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140051621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168936 + ... + 169762.

It is an arithmetic number, because the mean of its divisors is an integer number (9439200).

Almost surely, 2^140051623 is an apocalyptic number.

140051623 is a deficient number, since it is larger than the sum of its proper divisors (10975577).

140051623 is a wasteful number, since it uses less digits than its factorization.

140051623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 140051623 is about 11834.3408350444. The cubic root of 140051623 is about 519.3132242763.

The spelling of 140051623 in words is "one hundred forty million, fifty-one thousand, six hundred twenty-three".