11231429 has 16 divisors (see below), whose sum is σ = 12939264. Its totient is φ = 9649200.

The previous prime is 11231399. The next prime is 11231431. The reversal of 11231429 is 92413211.

It is a de Polignac number, because none of the positive numbers 2^k-11231429 is a prime.

It is a super-2 number, since 2×11231429² = 252289994764082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25844 + ... + 26274.

It is an arithmetic number, because the mean of its divisors is an integer number (808704).

Almost surely, 2^11231429 is an apocalyptic number.

It is an amenable number.

11231429 is a deficient number, since it is larger than the sum of its proper divisors (1707835).

11231429 is a wasteful number, since it uses less digits than its factorization.

11231429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its digits is 432, while the sum is 23.

The square root of 11231429 is about 3351.3324215900. The cubic root of 11231429 is about 223.9468743592.

It can be divided in two parts, 1123 and 1429, that added together give a palindrome (2552).

The spelling of 11231429 in words is "eleven million, two hundred thirty-one thousand, four hundred twenty-nine".