1223111493 has 12 divisors (see below), whose sum is σ = 1767936768. Its totient is φ = 814844520.

The previous prime is 1223111459. The next prime is 1223111501. The reversal of 1223111493 is 3941113221.

It is not a de Polignac number, because 1223111493 - 2¹² = 1223107397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223111443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32955 + ... + 59432.

It is an arithmetic number, because the mean of its divisors is an integer number (147328064).

Almost surely, 2^1223111493 is an apocalyptic number.

It is an amenable number.

1223111493 is a deficient number, since it is larger than the sum of its proper divisors (544825275).

1223111493 is a wasteful number, since it uses less digits than its factorization.

1223111493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93864 (or 93861 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1223111493 is about 34973.0109227101. The cubic root of 1223111493 is about 1069.4373531848.

The spelling of 1223111493 in words is "one billion, two hundred twenty-three million, one hundred eleven thousand, four hundred ninety-three".