157106723 has 2 divisors, whose sum is σ = 157106724. Its totient is φ = 157106722.

The previous prime is 157106701. The next prime is 157106737. The reversal of 157106723 is 327601751.

It is a strong prime.

It is an emirp because it is prime and its reverse (327601751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157106723 - 2¹⁶ = 157041187 is a prime.

It is a super-3 number, since 3×157106723³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157106723.

It is not a weakly prime, because it can be changed into another prime (157106023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78553361 + 78553362.

It is an arithmetic number, because the mean of its divisors is an integer number (78553362).

Almost surely, 2^157106723 is an apocalyptic number.

157106723 is a deficient number, since it is larger than the sum of its proper divisors (1).

157106723 is an equidigital number, since it uses as much as digits as its factorization.

157106723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 157106723 is about 12534.2220739861. Note that the first 3 decimals coincide. The cubic root of 157106723 is about 539.5912808014.

The spelling of 157106723 in words is "one hundred fifty-seven million, one hundred six thousand, seven hundred twenty-three".