1137423 has 8 divisors (see below), whose sum is σ = 1733248. Its totient is φ = 649944.

The previous prime is 1137407. The next prime is 1137427. The reversal of 1137423 is 3247311.

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

It is not a de Polignac number, because 1137423 - 2⁴ = 1137407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 54163 = 1137423 / (1 + 1 + 3 + 7 + 4 + 2 + 3).

It is the 1067-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1137423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137427) by changing a digit.

It is a nontrivial repunit in base 1066.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27061 + ... + 27102.

It is an arithmetic number, because the mean of its divisors is an integer number (216656).

2^1137423 is an apocalyptic number.

1137423 is a deficient number, since it is larger than the sum of its proper divisors (595825).

1137423 is an equidigital number, since it uses as much as digits as its factorization.

1137423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54173.

The product of its digits is 504, while the sum is 21.

The square root of 1137423 is about 1066.5003516174. The cubic root of 1137423 is about 104.3856184591.

The spelling of 1137423 in words is "one million, one hundred thirty-seven thousand, four hundred twenty-three".