1042623 has 24 divisors (see below), whose sum is σ = 1612416. Its totient is φ = 648000.

The previous prime is 1042619. The next prime is 1042631. The reversal of 1042623 is 3262401.

It is a happy number.

1042623 is a `hidden beast` number, since 1 + 0 + 42 + 623 = 666.

It is not a de Polignac number, because 1042623 - 2² = 1042619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042596 and 1042605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10273 + ... + 10373.

It is an arithmetic number, because the mean of its divisors is an integer number (67184).

2^1042623 is an apocalyptic number.

1042623 is a deficient number, since it is larger than the sum of its proper divisors (569793).

1042623 is a wasteful number, since it uses less digits than its factorization.

1042623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1042623 is about 1021.0891244157. The cubic root of 1042623 is about 101.4010457042.

The spelling of 1042623 in words is "one million, forty-two thousand, six hundred twenty-three".