25311151323 has 8 divisors (see below), whose sum is σ = 37498002000. Its totient is φ = 16874100864.

The previous prime is 25311151213. The next prime is 25311151357. The reversal of 25311151323 is 32315111352.

25311151323 is a `hidden beast` number, since 2 + 531 + 115 + 13 + 2 + 3 = 666.

It is not a de Polignac number, because 25311151323 - 2¹² = 25311147227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 937450049 = 25311151323 / (2 + 5 + 3 + 1 + 1 + 1 + 5 + 1 + 3 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (25311151363) 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, 468724998 + ... + 468725051.

It is an arithmetic number, because the mean of its divisors is an integer number (4687250250).

Almost surely, 2^25311151323 is an apocalyptic number.

25311151323 is a deficient number, since it is larger than the sum of its proper divisors (12186850677).

25311151323 is an equidigital number, since it uses as much as digits as its factorization.

25311151323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937450058 (or 937450052 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

Adding to 25311151323 its reverse (32315111352), we get a palindrome (57626262675).

The spelling of 25311151323 in words is "twenty-five billion, three hundred eleven million, one hundred fifty-one thousand, three hundred twenty-three".