34123432157 has 2 divisors, whose sum is σ = 34123432158. Its totient is φ = 34123432156.

The previous prime is 34123432081. The next prime is 34123432171. The reversal of 34123432157 is 75123432143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18201787396 + 15921644761 = 134914^2 + 126181^2 .

It is a cyclic number.

It is not a de Polignac number, because 34123432157 - 2¹⁴ = 34123415773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34123432657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17061716078 + 17061716079.

It is an arithmetic number, because the mean of its divisors is an integer number (17061716079).

Almost surely, 2^34123432157 is an apocalyptic number.

It is an amenable number.

34123432157 is a deficient number, since it is larger than the sum of its proper divisors (1).

34123432157 is an equidigital number, since it uses as much as digits as its factorization.

34123432157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The spelling of 34123432157 in words is "thirty-four billion, one hundred twenty-three million, four hundred thirty-two thousand, one hundred fifty-seven".