2146426623 has 18 divisors (see below), whose sum is σ = 3407872832. Its totient is φ = 1300863960.

The previous prime is 2146426591. The next prime is 2146426627. The reversal of 2146426623 is 3266246412.

2146426623 is a `hidden beast` number, since 2 + 1 + 4 + 6 + 4 + 26 + 623 = 666.

It is not a de Polignac number, because 2146426623 - 2⁵ = 2146426591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146426627) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 984415 + ... + 986592.

Almost surely, 2^2146426623 is an apocalyptic number.

2146426623 is a deficient number, since it is larger than the sum of its proper divisors (1261446209).

2146426623 is a wasteful number, since it uses less digits than its factorization.

2146426623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971035 (or 1971021 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 2146426623 is about 46329.5437383102. The cubic root of 2146426623 is about 1289.9474415219.

The spelling of 2146426623 in words is "two billion, one hundred forty-six million, four hundred twenty-six thousand, six hundred twenty-three".