25143401223 has 12 divisors (see below), whose sum is σ = 37162857160. Its totient is φ = 16372447056.

The previous prime is 25143401221. The next prime is 25143401243. The reversal of 25143401223 is 32210434152.

25143401223 is a `hidden beast` number, since 2 + 5 + 1 + 434 + 0 + 1 + 223 = 666.

It is not a de Polignac number, because 25143401223 - 2¹ = 25143401221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25143401221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32484628 + ... + 32485401.

Almost surely, 2^25143401223 is an apocalyptic number.

25143401223 is a deficient number, since it is larger than the sum of its proper divisors (12019455937).

25143401223 is a wasteful number, since it uses less digits than its factorization.

25143401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64970078 (or 64970075 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 25143401223 its reverse (32210434152), we get a palindrome (57353835375).

The spelling of 25143401223 in words is "twenty-five billion, one hundred forty-three million, four hundred one thousand, two hundred twenty-three".