2452400123 has 4 divisors (see below), whose sum is σ = 2509432728. Its totient is φ = 2395367520.

The previous prime is 2452400107. The next prime is 2452400143. The reversal of 2452400123 is 3210042542.

It is a happy number.

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 2452400123 - 2⁴ = 2452400107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2452400143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28516238 + ... + 28516323.

It is an arithmetic number, because the mean of its divisors is an integer number (627358182).

Almost surely, 2^2452400123 is an apocalyptic number.

2452400123 is a deficient number, since it is larger than the sum of its proper divisors (57032605).

2452400123 is an equidigital number, since it uses as much as digits as its factorization.

2452400123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57032604.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2452400123 is about 49521.7136516902. The cubic root of 2452400123 is about 1348.5398246107.

Adding to 2452400123 its reverse (3210042542), we get a palindrome (5662442665).

The spelling of 2452400123 in words is "two billion, four hundred fifty-two million, four hundred thousand, one hundred twenty-three".