25387568923 has 2 divisors, whose sum is σ = 25387568924. Its totient is φ = 25387568922.

The previous prime is 25387568917. The next prime is 25387568929. The reversal of 25387568923 is 32986578352.

It is a balanced prime because it is at equal distance from previous prime (25387568917) and next prime (25387568929).

It is a cyclic number.

It is not a de Polignac number, because 25387568923 - 2¹⁷ = 25387437851 is a prime.

It is not a weakly prime, because it can be changed into another prime (25387568929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12693784461 + 12693784462.

It is an arithmetic number, because the mean of its divisors is an integer number (12693784462).

Almost surely, 2^25387568923 is an apocalyptic number.

25387568923 is a deficient number, since it is larger than the sum of its proper divisors (1).

25387568923 is an equidigital number, since it uses as much as digits as its factorization.

25387568923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 58.

The spelling of 25387568923 in words is "twenty-five billion, three hundred eighty-seven million, five hundred sixty-eight thousand, nine hundred twenty-three".