11623398 has 8 divisors (see below), whose sum is σ = 23246808. Its totient is φ = 3874464.

The previous prime is 11623397. The next prime is 11623411. The reversal of 11623398 is 89332611.

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

11623398 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623397) 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, 968611 + ... + 968622.

It is an arithmetic number, because the mean of its divisors is an integer number (2905851).

Almost surely, 2^11623398 is an apocalyptic number.

11623398 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.

11623398 is a wasteful number, since it uses less digits than its factorization.

11623398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937238.

The product of its digits is 7776, while the sum is 33.

The square root of 11623398 is about 3409.3104874740. The cubic root of 11623398 is about 226.5223384349.

Adding to 11623398 its sum of digits (33), we get a triangular number (11623431 = T₄₈₂₁).

It can be divided in two parts, 11623 and 398, that added together give a palindrome (12021).

The spelling of 11623398 in words is "eleven million, six hundred twenty-three thousand, three hundred ninety-eight".