1003420123 has 4 divisors (see below), whose sum is σ = 1003507848. Its totient is φ = 1003332400.

The previous prime is 1003420111. The next prime is 1003420141. The reversal of 1003420123 is 3210243001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1003420123 - 2¹³ = 1003411931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003420097 and 1003420106.

It is not an unprimeable number, because it can be changed into a prime (1003420163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23578 + ... + 50623.

It is an arithmetic number, because the mean of its divisors is an integer number (250876962).

Almost surely, 2^1003420123 is an apocalyptic number.

1003420123 is a deficient number, since it is larger than the sum of its proper divisors (87725).

1003420123 is an equidigital number, since it uses as much as digits as its factorization.

1003420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87724.

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

The square root of 1003420123 is about 31676.8073359674. The cubic root of 1003420123 is about 1001.1387437704.

Adding to 1003420123 its reverse (3210243001), we get a palindrome (4213663124).

The spelling of 1003420123 in words is "one billion, three million, four hundred twenty thousand, one hundred twenty-three".