2403121223 has 8 divisors (see below), whose sum is σ = 2409398880. Its totient is φ = 2396852640.

The previous prime is 2403121211. The next prime is 2403121249. The reversal of 2403121223 is 3221213042.

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-2403121223 is a prime.

It is a super-2 number, since 2×2403121223² = 11549983224866031458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2403121195 and 2403121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403121723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183373 + ... + 1185401.

It is an arithmetic number, because the mean of its divisors is an integer number (301174860).

Almost surely, 2^2403121223 is an apocalyptic number.

2403121223 is a deficient number, since it is larger than the sum of its proper divisors (6277657).

2403121223 is a wasteful number, since it uses less digits than its factorization.

2403121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2403121223 is about 49021.6403540314. The cubic root of 2403121223 is about 1339.4460513842.

Adding to 2403121223 its reverse (3221213042), we get a palindrome (5624334265).

It can be divided in two parts, 24031 and 21223, that added together give a palindrome (45254).

The spelling of 2403121223 in words is "two billion, four hundred three million, one hundred twenty-one thousand, two hundred twenty-three".