140723245433017 has 16 divisors (see below), whose sum is σ = 151639514953360. Its totient is φ = 129820052505600.

The previous prime is 140723245432993. The next prime is 140723245433053. The reversal of 140723245433017 is 710334542327041.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 50450748031161 + 90272497401856 = 7102869^2 + 9501184^2 .

It is a cyclic number.

It is not a de Polignac number, because 140723245433017 - 2²³ = 140723237044409 is a prime.

It is a super-2 number, since 2×140723245433017² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140723245443017) 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, 181118359 + ... + 181893667.

It is an arithmetic number, because the mean of its divisors is an integer number (9477469684585).

Almost surely, 2^{140723245433017} is an apocalyptic number.

It is an amenable number.

140723245433017 is a deficient number, since it is larger than the sum of its proper divisors (10916269520343).

140723245433017 is a wasteful number, since it uses less digits than its factorization.

140723245433017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783724.

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 140723245433017 in words is "one hundred forty trillion, seven hundred twenty-three billion, two hundred forty-five million, four hundred thirty-three thousand, seventeen".