1023613 has 8 divisors (see below), whose sum is σ = 1082880. Its totient is φ = 966000.

The previous prime is 1023601. The next prime is 1023643. The reversal of 1023613 is 3163201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023613 - 2⁹ = 1023101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023643) 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, 988 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (135360).

2^1023613 is an apocalyptic number.

It is an amenable number.

1023613 is a deficient number, since it is larger than the sum of its proper divisors (59267).

1023613 is an equidigital number, since it uses as much as digits as its factorization.

1023613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1023613 is about 1011.7376142064. The cubic root of 1023613 is about 100.7809847498.

Adding to 1023613 its reverse (3163201), we get a palindrome (4186814).

The spelling of 1023613 in words is "one million, twenty-three thousand, six hundred thirteen".