34723142261 has 2 divisors, whose sum is σ = 34723142262. Its totient is φ = 34723142260.

The previous prime is 34723142249. The next prime is 34723142303. The reversal of 34723142261 is 16224132743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34088606161 + 634536100 = 184631^2 + 25190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34723142261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34743142261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17361571130 + 17361571131.

It is an arithmetic number, because the mean of its divisors is an integer number (17361571131).

Almost surely, 2^34723142261 is an apocalyptic number.

It is an amenable number.

34723142261 is a deficient number, since it is larger than the sum of its proper divisors (1).

34723142261 is an equidigital number, since it uses as much as digits as its factorization.

34723142261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The spelling of 34723142261 in words is "thirty-four billion, seven hundred twenty-three million, one hundred forty-two thousand, two hundred sixty-one".