25350431123 has 8 divisors (see below), whose sum is σ = 27006168000. Its totient is φ = 23726844648.

The previous prime is 25350431089. The next prime is 25350431137. The reversal of 25350431123 is 32113405352.

It is a happy number.

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 25350431123 - 2¹⁶ = 25350365587 is a prime.

It is a super-2 number, since 2×25350431123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25350431143) 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, 8035973 + ... + 8039126.

It is an arithmetic number, because the mean of its divisors is an integer number (3375771000).

Almost surely, 2^25350431123 is an apocalyptic number.

25350431123 is a deficient number, since it is larger than the sum of its proper divisors (1655736877).

25350431123 is a wasteful number, since it uses less digits than its factorization.

25350431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16075201.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 25350431123 its reverse (32113405352), we get a palindrome (57463836475).

The spelling of 25350431123 in words is "twenty-five billion, three hundred fifty million, four hundred thirty-one thousand, one hundred twenty-three".