25023633623 has 8 divisors (see below), whose sum is σ = 25462435440. Its totient is φ = 24586752960.

The previous prime is 25023633619. The next prime is 25023633641. The reversal of 25023633623 is 32633632052.

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 25023633623 - 2² = 25023633619 is a prime.

It is a super-2 number, since 2×25023633623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25023623623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453998 + ... + 506123.

It is an arithmetic number, because the mean of its divisors is an integer number (3182804430).

Almost surely, 2^25023633623 is an apocalyptic number.

25023633623 is a deficient number, since it is larger than the sum of its proper divisors (438801817).

25023633623 is an equidigital number, since it uses as much as digits as its factorization.

25023633623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960577.

The product of its (nonzero) digits is 116640, while the sum is 35.

The spelling of 25023633623 in words is "twenty-five billion, twenty-three million, six hundred thirty-three thousand, six hundred twenty-three".