988139223 has 8 divisors (see below), whose sum is σ = 1463910000. Its totient is φ = 658759464.

The previous prime is 988139221. The next prime is 988139227. The reversal of 988139223 is 322931889.

It is not a de Polignac number, because 988139223 - 2¹ = 988139221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988139221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18298848 + ... + 18298901.

It is an arithmetic number, because the mean of its divisors is an integer number (182988750).

Almost surely, 2^988139223 is an apocalyptic number.

988139223 is a deficient number, since it is larger than the sum of its proper divisors (475770777).

988139223 is a wasteful number, since it uses less digits than its factorization.

988139223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36597758 (or 36597752 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 988139223 is about 31434.6818498295. The cubic root of 988139223 is about 996.0306729558.

The spelling of 988139223 in words is "nine hundred eighty-eight million, one hundred thirty-nine thousand, two hundred twenty-three".