29540585223 has 20 divisors (see below), whose sum is σ = 44733037888. Its totient is φ = 19423942560.

The previous prime is 29540585213. The next prime is 29540585231. The reversal of 29540585223 is 32258504592.

29540585223 is a `hidden beast` number, since 2 + 9 + 5 + 40 + 585 + 2 + 23 = 666.

It is not a de Polignac number, because 29540585223 - 2²¹ = 29538488071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29540585213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2492023 + ... + 2503848.

Almost surely, 2^29540585223 is an apocalyptic number.

29540585223 is a deficient number, since it is larger than the sum of its proper divisors (15192452665).

29540585223 is an equidigital number, since it uses as much as digits as its factorization.

29540585223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995956 (or 4995947 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

It can be divided in two parts, 295405 and 85223, that added together give a triangular number (380628 = T₈₇₂).

The spelling of 29540585223 in words is "twenty-nine billion, five hundred forty million, five hundred eighty-five thousand, two hundred twenty-three".