10261646123 has 2 divisors, whose sum is σ = 10261646124. Its totient is φ = 10261646122.

The previous prime is 10261646111. The next prime is 10261646137. The reversal of 10261646123 is 32164616201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10261646123 - 2²² = 10257451819 is a prime.

It is a super-2 number, since 2×10261646123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10261646123.

It is not a weakly prime, because it can be changed into another prime (10261648123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5130823061 + 5130823062.

It is an arithmetic number, because the mean of its divisors is an integer number (5130823062).

Almost surely, 2^10261646123 is an apocalyptic number.

10261646123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10261646123 is an equidigital number, since it uses as much as digits as its factorization.

10261646123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 10261646123 in words is "ten billion, two hundred sixty-one million, six hundred forty-six thousand, one hundred twenty-three".