11433023431 has 4 divisors (see below), whose sum is σ = 11434703472. Its totient is φ = 11431343392.

The previous prime is 11433023411. The next prime is 11433023443. The reversal of 11433023431 is 13432033411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11433023431 - 2¹³ = 11433015239 is a prime.

It is a super-2 number, since 2×11433023431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11433023396 and 11433023405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11433023411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829771 + ... + 843436.

It is an arithmetic number, because the mean of its divisors is an integer number (2858675868).

Almost surely, 2^11433023431 is an apocalyptic number.

11433023431 is a deficient number, since it is larger than the sum of its proper divisors (1680041).

11433023431 is an equidigital number, since it uses as much as digits as its factorization.

11433023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680040.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 11433023431 its reverse (13432033411), we get a palindrome (24865056842).

The spelling of 11433023431 in words is "eleven billion, four hundred thirty-three million, twenty-three thousand, four hundred thirty-one".