201546423 has 12 divisors (see below), whose sum is σ = 313516840. Its totient is φ = 124028496.

The previous prime is 201546391. The next prime is 201546427. The reversal of 201546423 is 324645102.

201546423 is a `hidden beast` number, since 2 + 0 + 15 + 4 + 642 + 3 = 666.

201546423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201546423 - 2⁵ = 201546391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201546427) 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, 861193 + ... + 861426.

Almost surely, 2^201546423 is an apocalyptic number.

201546423 is a deficient number, since it is larger than the sum of its proper divisors (111970417).

201546423 is a wasteful number, since it uses less digits than its factorization.

201546423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722638 (or 1722635 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 201546423 is about 14196.7046528411. The cubic root of 201546423 is about 586.3069355796.

The spelling of 201546423 in words is "two hundred one million, five hundred forty-six thousand, four hundred twenty-three".