11231400 has 48 divisors (see below), whose sum is σ = 34819200. Its totient is φ = 2994880.

The previous prime is 11231399. The next prime is 11231431. The reversal of 11231400 is 413211.

It is a happy number.

It is a super-2 number, since 2×11231400² = 252288691920000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8760 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (725400).

Almost surely, 2^11231400 is an apocalyptic number.

11231400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231400 is an abundant number, since it is smaller than the sum of its proper divisors (23587800).

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

11231400 is a wasteful number, since it uses less digits than its factorization.

11231400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18738 (or 18729 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11231400 is about 3351.3280949498. The cubic root of 11231400 is about 223.9466816124.

Adding to 11231400 its reverse (413211), we get a palindrome (11644611).

The spelling of 11231400 in words is "eleven million, two hundred thirty-one thousand, four hundred".