623406141 has 12 divisors (see below), whose sum is σ = 900952000. Its totient is φ = 415384200.

The previous prime is 623406137. The next prime is 623406163. The reversal of 623406141 is 141604326.

623406141 is a `hidden beast` number, since 6 + 2 + 3 + 40 + 614 + 1 = 666.

It is not a de Polignac number, because 623406141 - 2² = 623406137 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 (623446141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666 + ... + 35316.

Almost surely, 2^623406141 is an apocalyptic number.

It is an amenable number.

623406141 is a deficient number, since it is larger than the sum of its proper divisors (277545859).

623406141 is a wasteful number, since it uses less digits than its factorization.

623406141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36656 (or 36653 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 623406141 is about 24968.1024709528. The cubic root of 623406141 is about 854.2605651676.

The spelling of 623406141 in words is "six hundred twenty-three million, four hundred six thousand, one hundred forty-one".