230121003 has 48 divisors (see below), whose sum is σ = 385447680. Its totient is φ = 121391424.

The previous prime is 230120999. The next prime is 230121007. The reversal of 230121003 is 300121032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230120999) and next prime (230121007).

It is not a de Polignac number, because 230121003 - 2² = 230120999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230121003.

It is not an unprimeable number, because it can be changed into a prime (230121007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96876 + ... + 99222.

It is an arithmetic number, because the mean of its divisors is an integer number (8030160).

Almost surely, 2^230121003 is an apocalyptic number.

230121003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

230121003 is a deficient number, since it is larger than the sum of its proper divisors (155326677).

230121003 is a wasteful number, since it uses less digits than its factorization.

230121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2409 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 230121003 is about 15169.7397143128. The cubic root of 230121003 is about 612.7999945392.

Adding to 230121003 its reverse (300121032), we get a palindrome (530242035).

The spelling of 230121003 in words is "two hundred thirty million, one hundred twenty-one thousand, three".