157223336093 has 2 divisors, whose sum is σ = 157223336094. Its totient is φ = 157223336092.

The previous prime is 157223336087. The next prime is 157223336107. The reversal of 157223336093 is 390633322751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145910248324 + 11313087769 = 381982^2 + 106363^2 .

It is a cyclic number.

It is not a de Polignac number, because 157223336093 - 2⁴ = 157223336077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157223336393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78611668046 + 78611668047.

It is an arithmetic number, because the mean of its divisors is an integer number (78611668047).

Almost surely, 2^157223336093 is an apocalyptic number.

It is an amenable number.

157223336093 is a deficient number, since it is larger than the sum of its proper divisors (1).

157223336093 is an equidigital number, since it uses as much as digits as its factorization.

157223336093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 44.

The spelling of 157223336093 in words is "one hundred fifty-seven billion, two hundred twenty-three million, three hundred thirty-six thousand, ninety-three".