2401320123 has 24 divisors (see below), whose sum is σ = 3489714800. Its totient is φ = 1591156224.

The previous prime is 2401320121. The next prime is 2401320137. The reversal of 2401320123 is 3210231042.

It is not a de Polignac number, because 2401320123 - 2¹ = 2401320121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2401320096 and 2401320105.

It is not an unprimeable number, because it can be changed into a prime (2401320121) 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 23 ways as a sum of consecutive naturals, for example, 1148463 + ... + 1150551.

Almost surely, 2^2401320123 is an apocalyptic number.

2401320123 is a deficient number, since it is larger than the sum of its proper divisors (1088394677).

2401320123 is a wasteful number, since it uses less digits than its factorization.

2401320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2401320123 is about 49003.2664523499. The cubic root of 2401320123 is about 1339.1113367896. Note that the first 3 decimals are identical.

Adding to 2401320123 its reverse (3210231042), we get a palindrome (5611551165).

The spelling of 2401320123 in words is "two billion, four hundred one million, three hundred twenty thousand, one hundred twenty-three".