68157430047323 has 16 divisors (see below), whose sum is σ = 72204651542016. Its totient is φ = 64114435328640.

The previous prime is 68157430047319. The next prime is 68157430047367. The reversal of 68157430047323 is 32374003475186.

It is a cyclic number.

It is not a de Polignac number, because 68157430047323 - 2² = 68157430047319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68157430047023) 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, 252009338 + ... + 252279648.

It is an arithmetic number, because the mean of its divisors is an integer number (4512790721376).

Almost surely, 2^{68157430047323} is an apocalyptic number.

68157430047323 is a deficient number, since it is larger than the sum of its proper divisors (4047221494693).

68157430047323 is a wasteful number, since it uses less digits than its factorization.

68157430047323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278074.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 68157430047323 in words is "sixty-eight trillion, one hundred fifty-seven billion, four hundred thirty million, forty-seven thousand, three hundred twenty-three".