423187541 has 8 divisors (see below), whose sum is σ = 499244544. Its totient is φ = 351030960.

The previous prime is 423187507. The next prime is 423187543. The reversal of 423187541 is 145781324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-423187541 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 (423187543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974870 + ... + 975303.

It is an arithmetic number, because the mean of its divisors is an integer number (62405568).

Almost surely, 2^423187541 is an apocalyptic number.

It is an amenable number.

423187541 is a deficient number, since it is larger than the sum of its proper divisors (76057003).

423187541 is a wasteful number, since it uses less digits than its factorization.

423187541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950211.

The product of its digits is 26880, while the sum is 35.

The square root of 423187541 is about 20571.5225736940. The cubic root of 423187541 is about 750.7769968307.

The spelling of 423187541 in words is "four hundred twenty-three million, one hundred eighty-seven thousand, five hundred forty-one".