240723645005357 has 2 divisors, whose sum is σ = 240723645005358. Its totient is φ = 240723645005356.

The previous prime is 240723645005341. The next prime is 240723645005399. The reversal of 240723645005357 is 753500546327042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183736561062916 + 56987083942441 = 13554946^2 + 7548979^2 .

It is a cyclic number.

It is not a de Polignac number, because 240723645005357 - 2⁴ = 240723645005341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240723645005299 and 240723645005308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240723645005317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120361822502678 + 120361822502679.

It is an arithmetic number, because the mean of its divisors is an integer number (120361822502679).

Almost surely, 2^{240723645005357} is an apocalyptic number.

It is an amenable number.

240723645005357 is a deficient number, since it is larger than the sum of its proper divisors (1).

240723645005357 is an equidigital number, since it uses as much as digits as its factorization.

240723645005357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168000, while the sum is 53.

The spelling of 240723645005357 in words is "two hundred forty trillion, seven hundred twenty-three billion, six hundred forty-five million, five thousand, three hundred fifty-seven".