123843434061 has 8 divisors (see below), whose sum is σ = 167114031840. Its totient is φ = 81567562832.

The previous prime is 123843434041. The next prime is 123843434081. The reversal of 123843434061 is 160434348321.

It is an interprime number because it is at equal distance from previous prime (123843434041) and next prime (123843434081).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123843434061 - 2²² = 123839239757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123843434041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248681346 + ... + 248681843.

It is an arithmetic number, because the mean of its divisors is an integer number (20889253980).

Almost surely, 2^123843434061 is an apocalyptic number.

It is an amenable number.

123843434061 is a deficient number, since it is larger than the sum of its proper divisors (43270597779).

123843434061 is an equidigital number, since it uses as much as digits as its factorization.

123843434061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497363275.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 123843434061 in words is "one hundred twenty-three billion, eight hundred forty-three million, four hundred thirty-four thousand, sixty-one".