1022623 has 8 divisors (see below), whose sum is σ = 1178240. Its totient is φ = 869400.

The previous prime is 1022611. The next prime is 1022629. The reversal of 1022623 is 3262201.

1022623 is nontrivially palindromic in base 16.

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

It is not a de Polignac number, because 1022623 - 2⁵ = 1022591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022597 and 1022606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022629) 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, 448 + ... + 1498.

It is an arithmetic number, because the mean of its divisors is an integer number (147280).

2^1022623 is an apocalyptic number.

1022623 is a deficient number, since it is larger than the sum of its proper divisors (155617).

1022623 is a wasteful number, since it uses less digits than its factorization.

1022623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1022623 is about 1011.2482385646. The cubic root of 1022623 is about 100.7484837435.

Adding to 1022623 its reverse (3262201), we get a palindrome (4284824).

It can be divided in two parts, 102 and 2623, that multiplied together give a triangular number (267546 = T₇₃₁).

The spelling of 1022623 in words is "one million, twenty-two thousand, six hundred twenty-three".