1223000531 has 16 divisors (see below), whose sum is σ = 1307671200. Its totient is φ = 1140480000.

The previous prime is 1223000509. The next prime is 1223000533. The reversal of 1223000531 is 1350003221.

It is a cyclic number.

It is not a de Polignac number, because 1223000531 - 2²² = 1218806227 is a prime.

It is a super-2 number, since 2×1223000531² = 2991460597652563922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223000533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406031 + ... + 409031.

It is an arithmetic number, because the mean of its divisors is an integer number (81729450).

Almost surely, 2^1223000531 is an apocalyptic number.

1223000531 is a deficient number, since it is larger than the sum of its proper divisors (84670669).

1223000531 is a wasteful number, since it uses less digits than its factorization.

1223000531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1223000531 is about 34971.4244920049. The cubic root of 1223000531 is about 1069.4050120349.

Adding to 1223000531 its reverse (1350003221), we get a palindrome (2573003752).

The spelling of 1223000531 in words is "one billion, two hundred twenty-three million, five hundred thirty-one", and thus it is an aban number.