1623426103 has 8 divisors (see below), whose sum is σ = 1749442688. Its totient is φ = 1497572064.

The previous prime is 1623426031. The next prime is 1623426109. The reversal of 1623426103 is 3016243261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1623426103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623426109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19476 + ... + 60217.

It is an arithmetic number, because the mean of its divisors is an integer number (218680336).

Almost surely, 2^1623426103 is an apocalyptic number.

1623426103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1623426103 is a deficient number, since it is larger than the sum of its proper divisors (126016585).

1623426103 is a wasteful number, since it uses less digits than its factorization.

1623426103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81273.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1623426103 is about 40291.7622225685. The cubic root of 1623426103 is about 1175.2876562658.

Adding to 1623426103 its reverse (3016243261), we get a palindrome (4639669364).

The spelling of 1623426103 in words is "one billion, six hundred twenty-three million, four hundred twenty-six thousand, one hundred three".