1548423 has 8 divisors (see below), whose sum is σ = 2294000. Its totient is φ = 1032264.

The previous prime is 1548409. The next prime is 1548427. The reversal of 1548423 is 3248451.

It is not a de Polignac number, because 1548423 - 2⁶ = 1548359 is a prime.

It is a super-2 number, since 2×1548423² = 4795227573858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 57349 = 1548423 / (1 + 5 + 4 + 8 + 4 + 2 + 3).

It is an Ulam number.

It is a Duffinian number.

1548423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1548427) 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, 28648 + ... + 28701.

It is an arithmetic number, because the mean of its divisors is an integer number (286750).

2^1548423 is an apocalyptic number.

1548423 is a deficient number, since it is larger than the sum of its proper divisors (745577).

1548423 is an equidigital number, since it uses as much as digits as its factorization.

1548423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57358 (or 57352 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1548423 is about 1244.3564601833. The cubic root of 1548423 is about 115.6901909463.

The spelling of 1548423 in words is "one million, five hundred forty-eight thousand, four hundred twenty-three".