1011351223 has 8 divisors (see below), whose sum is σ = 1069439616. Its totient is φ = 954854400.

The previous prime is 1011351181. The next prime is 1011351227. The reversal of 1011351223 is 3221531101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011351223 - 2¹³ = 1011343031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011351223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011351227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396586 + ... + 399127.

It is an arithmetic number, because the mean of its divisors is an integer number (133679952).

Almost surely, 2^1011351223 is an apocalyptic number.

1011351223 is a deficient number, since it is larger than the sum of its proper divisors (58088393).

1011351223 is an equidigital number, since it uses as much as digits as its factorization.

1011351223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795785.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1011351223 is about 31801.7487412249. The cubic root of 1011351223 is about 1003.7695139109.

Adding to 1011351223 its reverse (3221531101), we get a palindrome (4232882324).

The spelling of 1011351223 in words is "one billion, eleven million, three hundred fifty-one thousand, two hundred twenty-three".