27223129503 has 12 divisors (see below), whose sum is σ = 41635374768. Its totient is φ = 17081179200.

The previous prime is 27223129499. The next prime is 27223129517. The reversal of 27223129503 is 30592132272.

It is a happy number.

27223129503 is a `hidden beast` number, since 2 + 7 + 2 + 23 + 129 + 503 = 666.

It is not a de Polignac number, because 27223129503 - 2² = 27223129499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27223129543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88964323 + ... + 88964628.

It is an arithmetic number, because the mean of its divisors is an integer number (3469614564).

Almost surely, 2^27223129503 is an apocalyptic number.

27223129503 is a deficient number, since it is larger than the sum of its proper divisors (14412245265).

27223129503 is a wasteful number, since it uses less digits than its factorization.

27223129503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177928974 (or 177928971 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 27223129503 in words is "twenty-seven billion, two hundred twenty-three million, one hundred twenty-nine thousand, five hundred three".