25551532323 has 32 divisors (see below), whose sum is σ = 38383526720. Its totient is φ = 16797404160.

The previous prime is 25551532313. The next prime is 25551532333. The reversal of 25551532323 is 32323515552.

25551532323 is a `hidden beast` number, since 2 + 55 + 51 + 532 + 3 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (25551532313) and next prime (25551532333).

It is not a de Polignac number, because 25551532323 - 2¹² = 25551528227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25551532313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707853 + ... + 743073.

It is an arithmetic number, because the mean of its divisors is an integer number (1199485210).

Almost surely, 2^25551532323 is an apocalyptic number.

25551532323 is a deficient number, since it is larger than the sum of its proper divisors (12831994397).

25551532323 is a wasteful number, since it uses less digits than its factorization.

25551532323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35604 (or 35598 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The spelling of 25551532323 in words is "twenty-five billion, five hundred fifty-one million, five hundred thirty-two thousand, three hundred twenty-three".