43123461697 has 2 divisors, whose sum is σ = 43123461698. Its totient is φ = 43123461696.

The previous prime is 43123461683. The next prime is 43123461707. The reversal of 43123461697 is 79616432134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40759168321 + 2364293376 = 201889^2 + 48624^2 .

It is a cyclic number.

It is not a de Polignac number, because 43123461697 - 2⁷ = 43123461569 is a prime.

It is a super-3 number, since 3×43123461697³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (43123461677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21561730848 + 21561730849.

It is an arithmetic number, because the mean of its divisors is an integer number (21561730849).

Almost surely, 2^43123461697 is an apocalyptic number.

It is an amenable number.

43123461697 is a deficient number, since it is larger than the sum of its proper divisors (1).

43123461697 is an equidigital number, since it uses as much as digits as its factorization.

43123461697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The spelling of 43123461697 in words is "forty-three billion, one hundred twenty-three million, four hundred sixty-one thousand, six hundred ninety-seven".