2401257123 has 32 divisors (see below), whose sum is σ = 3804045120. Its totient is φ = 1491724800.

The previous prime is 2401257121. The next prime is 2401257143. The reversal of 2401257123 is 3217521042.

2401257123 is a `hidden beast` number, since 2 + 401 + 257 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 2401257123 - 2¹ = 2401257121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2401257121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20461 + ... + 72257.

It is an arithmetic number, because the mean of its divisors is an integer number (118876410).

Almost surely, 2^2401257123 is an apocalyptic number.

2401257123 is a deficient number, since it is larger than the sum of its proper divisors (1402787997).

2401257123 is a wasteful number, since it uses less digits than its factorization.

2401257123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51924 (or 51918 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2401257123 is about 49002.6236338423. The cubic root of 2401257123 is about 1339.0996259045.

Adding to 2401257123 its reverse (3217521042), we get a palindrome (5618778165).

The spelling of 2401257123 in words is "two billion, four hundred one million, two hundred fifty-seven thousand, one hundred twenty-three".