23425440404251 has 8 divisors (see below), whose sum is σ = 24804119894400. Its totient is φ = 22046840070528.

The previous prime is 23425440404239. The next prime is 23425440404269. The reversal of 23425440404251 is 15240404452432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23425440404251 - 2⁷ = 23425440404123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23425440444251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19179276 + ... + 20364073.

It is an arithmetic number, because the mean of its divisors is an integer number (3100514986800).

Almost surely, 2^{23425440404251} is an apocalyptic number.

23425440404251 is a deficient number, since it is larger than the sum of its proper divisors (1378679490149).

23425440404251 is a wasteful number, since it uses less digits than its factorization.

23425440404251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39578213.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 23425440404251 its reverse (15240404452432), we get a palindrome (38665844856683).

The spelling of 23425440404251 in words is "twenty-three trillion, four hundred twenty-five billion, four hundred forty million, four hundred four thousand, two hundred fifty-one".