25224401123 has 2 divisors, whose sum is σ = 25224401124. Its totient is φ = 25224401122.

The previous prime is 25224401119. The next prime is 25224401179. The reversal of 25224401123 is 32110442252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25224401123 - 2² = 25224401119 is a prime.

It is a super-2 number, since 2×25224401123² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 25224401092 and 25224401101.

It is not a weakly prime, because it can be changed into another prime (25224401723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12612200561 + 12612200562.

It is an arithmetic number, because the mean of its divisors is an integer number (12612200562).

Almost surely, 2^25224401123 is an apocalyptic number.

25224401123 is a deficient number, since it is larger than the sum of its proper divisors (1).

25224401123 is an equidigital number, since it uses as much as digits as its factorization.

25224401123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 25224401123 its reverse (32110442252), we get a palindrome (57334843375).

The spelling of 25224401123 in words is "twenty-five billion, two hundred twenty-four million, four hundred one thousand, one hundred twenty-three".