67137423 has 8 divisors (see below), whose sum is σ = 89771568. Its totient is φ = 44630784.

The previous prime is 67137409. The next prime is 67137449. The reversal of 67137423 is 32473176.

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

It is not a de Polignac number, because 67137423 - 2¹⁴ = 67121039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67137823) 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, 30640 + ... + 32757.

It is an arithmetic number, because the mean of its divisors is an integer number (11221446).

Almost surely, 2^67137423 is an apocalyptic number.

67137423 is a deficient number, since it is larger than the sum of its proper divisors (22634145).

67137423 is a wasteful number, since it uses less digits than its factorization.

67137423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63753.

The product of its digits is 21168, while the sum is 33.

The square root of 67137423 is about 8193.7429176171. The cubic root of 67137423 is about 406.4323070364.

The spelling of 67137423 in words is "sixty-seven million, one hundred thirty-seven thousand, four hundred twenty-three".