123698884 has 27 divisors (see below), whose sum is σ = 222431727. Its totient is φ = 60192264.

The previous prime is 123698867. The next prime is 123698909. The reversal of 123698884 is 488896321.

The square root of 123698884 is 11122.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1490307 + ... + 1490389.

Almost surely, 2^123698884 is an apocalyptic number.

123698884 is the 11122-nd square number.

It is an amenable number.

123698884 is a deficient number, since it is larger than the sum of its proper divisors (98732843).

123698884 is an frugal number, since it uses more digits than its factorization.

123698884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 152 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The cubic root of 123698884 is about 498.2591244056.

Multiplying 123698884 by its sum of digits (49), we get a square (6061245316 = 77854²).

The spelling of 123698884 in words is "one hundred twenty-three million, six hundred ninety-eight thousand, eight hundred eighty-four".