1223000046 has 48 divisors (see below), whose sum is σ = 2766582000. Its totient is φ = 404906688.

The previous prime is 1223000039. The next prime is 1223000081. The reversal of 1223000046 is 6400003221.

It is a happy number.

It is a super-2 number, since 2×1223000046² = 2991458225032004232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1222999992 and 1223000028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63970 + ... + 80858.

It is an arithmetic number, because the mean of its divisors is an integer number (57637125).

Almost surely, 2^1223000046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223000046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383291000).

1223000046 is an abundant number, since it is smaller than the sum of its proper divisors (1543581954).

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

1223000046 is a wasteful number, since it uses less digits than its factorization.

1223000046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17055 (or 17043 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1223000046 is about 34971.4175577714. The cubic root of 1223000046 is about 1069.4048706718.

Adding to 1223000046 its reverse (6400003221), we get a palindrome (7623003267).

The spelling of 1223000046 in words is "one billion, two hundred twenty-three million, forty-six", and thus it is an aban number.