11623998 has 8 divisors (see below), whose sum is σ = 23248008. Its totient is φ = 3874664.

The previous prime is 11623987. The next prime is 11623999. The reversal of 11623998 is 89932611.

It is a sphenic number, since it is the product of 3 distinct primes.

11623998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968661 + ... + 968672.

It is an arithmetic number, because the mean of its divisors is an integer number (2906001).

Almost surely, 2^11623998 is an apocalyptic number.

11623998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11623998 is a wasteful number, since it uses less digits than its factorization.

11623998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937338.

The product of its digits is 23328, while the sum is 39.

The square root of 11623998 is about 3409.3984806707. The cubic root of 11623998 is about 226.5262360635.

It can be divided in two parts, 11623 and 998, that added together give a palindrome (12621).

The spelling of 11623998 in words is "eleven million, six hundred twenty-three thousand, nine hundred ninety-eight".