157308573523 has 2 divisors, whose sum is σ = 157308573524. Its totient is φ = 157308573522.

The previous prime is 157308573467. The next prime is 157308573599. The reversal of 157308573523 is 325375803751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157308573523 - 2⁹ = 157308573011 is a prime.

It is not a weakly prime, because it can be changed into another prime (157308574523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78654286761 + 78654286762.

It is an arithmetic number, because the mean of its divisors is an integer number (78654286762).

Almost surely, 2^157308573523 is an apocalyptic number.

157308573523 is a deficient number, since it is larger than the sum of its proper divisors (1).

157308573523 is an equidigital number, since it uses as much as digits as its factorization.

157308573523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 157308573523 in words is "one hundred fifty-seven billion, three hundred eight million, five hundred seventy-three thousand, five hundred twenty-three".