25345352623 has 2 divisors, whose sum is σ = 25345352624. Its totient is φ = 25345352622.

The previous prime is 25345352533. The next prime is 25345352677. The reversal of 25345352623 is 32625354352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25345352623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25345353623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12672676311 + 12672676312.

It is an arithmetic number, because the mean of its divisors is an integer number (12672676312).

Almost surely, 2^25345352623 is an apocalyptic number.

25345352623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25345352623 is an equidigital number, since it uses as much as digits as its factorization.

25345352623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 40.

The spelling of 25345352623 in words is "twenty-five billion, three hundred forty-five million, three hundred fifty-two thousand, six hundred twenty-three".