2401145623 has 4 divisors (see below), whose sum is σ = 2440508728. Its totient is φ = 2361782520.

The previous prime is 2401145581. The next prime is 2401145633. The reversal of 2401145623 is 3265411042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2401145623 - 2⁹ = 2401145111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2401145591 and 2401145600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401145633) 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 3 ways as a sum of consecutive naturals, for example, 19681461 + ... + 19681582.

It is an arithmetic number, because the mean of its divisors is an integer number (610127182).

Almost surely, 2^2401145623 is an apocalyptic number.

2401145623 is a deficient number, since it is larger than the sum of its proper divisors (39363105).

2401145623 is an equidigital number, since it uses as much as digits as its factorization.

2401145623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39363104.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2401145623 is about 49001.4859264492. The cubic root of 2401145623 is about 1339.0788989947.

Adding to 2401145623 its reverse (3265411042), we get a palindrome (5666556665).

The spelling of 2401145623 in words is "two billion, four hundred one million, one hundred forty-five thousand, six hundred twenty-three".