2661110423 has 2 divisors, whose sum is σ = 2661110424. Its totient is φ = 2661110422.

The previous prime is 2661110407. The next prime is 2661110447. The reversal of 2661110423 is 3240111662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2661110423 - 2⁴ = 2661110407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2661110392 and 2661110401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2661110483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330555211 + 1330555212.

It is an arithmetic number, because the mean of its divisors is an integer number (1330555212).

Almost surely, 2^2661110423 is an apocalyptic number.

2661110423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661110423 is an equidigital number, since it uses as much as digits as its factorization.

2661110423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2661110423 is about 51585.9517989152. The cubic root of 2661110423 is about 1385.7587579617.

The spelling of 2661110423 in words is "two billion, six hundred sixty-one million, one hundred ten thousand, four hundred twenty-three".