25023623623 has 2 divisors, whose sum is σ = 25023623624. Its totient is φ = 25023623622.

The previous prime is 25023623621. The next prime is 25023623693. The reversal of 25023623623 is 32632632052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25023623623 - 2¹ = 25023623621 is a prime.

It is a super-2 number, since 2×25023623623² (a number of 22 digits) contains 22 as substring.

Together with 25023623621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25023623621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511811811 + 12511811812.

It is an arithmetic number, because the mean of its divisors is an integer number (12511811812).

Almost surely, 2^25023623623 is an apocalyptic number.

25023623623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25023623623 is an equidigital number, since it uses as much as digits as its factorization.

25023623623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 34.

The spelling of 25023623623 in words is "twenty-five billion, twenty-three million, six hundred twenty-three thousand, six hundred twenty-three".