140432738586623 has 32 divisors (see below), whose sum is σ = 170617698900480. Its totient is φ = 112904312400000.

The previous prime is 140432738586617. The next prime is 140432738586643. The reversal of 140432738586623 is 326685837234041.

It is a Cunningham number, because it is equal to 11850432²-1.

It is a cyclic number.

It is not a de Polignac number, because 140432738586623 - 2⁸ = 140432738586367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140432738586643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1196835068 + ... + 1196952398.

It is an arithmetic number, because the mean of its divisors is an integer number (5331803090640).

Almost surely, 2^{140432738586623} is an apocalyptic number.

140432738586623 is a deficient number, since it is larger than the sum of its proper divisors (30184960313857).

140432738586623 is a wasteful number, since it uses less digits than its factorization.

140432738586623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206559.

The product of its (nonzero) digits is 139345920, while the sum is 62.

The spelling of 140432738586623 in words is "one hundred forty trillion, four hundred thirty-two billion, seven hundred thirty-eight million, five hundred eighty-six thousand, six hundred twenty-three".