157223336393 has 2 divisors, whose sum is σ = 157223336394. Its totient is φ = 157223336392.

The previous prime is 157223336381. The next prime is 157223336447. The reversal of 157223336393 is 393633322751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141566320009 + 15657016384 = 376253^2 + 125128^2 .

It is a cyclic number.

It is not a de Polignac number, because 157223336393 - 2⁶ = 157223336329 is a prime.

It is not a weakly prime, because it can be changed into another prime (157223336093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78611668196 + 78611668197.

It is an arithmetic number, because the mean of its divisors is an integer number (78611668197).

Almost surely, 2^157223336393 is an apocalyptic number.

It is an amenable number.

157223336393 is a deficient number, since it is larger than the sum of its proper divisors (1).

157223336393 is an equidigital number, since it uses as much as digits as its factorization.

157223336393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 47.

The spelling of 157223336393 in words is "one hundred fifty-seven billion, two hundred twenty-three million, three hundred thirty-six thousand, three hundred ninety-three".