1223024231 has 32 divisors (see below), whose sum is σ = 1473147648. Its totient is φ = 1000707840.

The previous prime is 1223024227. The next prime is 1223024239. The reversal of 1223024231 is 1324203221.

It is not a de Polignac number, because 1223024231 - 2² = 1223024227 is a prime.

It is a super-2 number, since 2×1223024231² = 2991576539226282722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223024239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1024571 + ... + 1025763.

It is an arithmetic number, because the mean of its divisors is an integer number (46035864).

Almost surely, 2^1223024231 is an apocalyptic number.

1223024231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1223024231 is a deficient number, since it is larger than the sum of its proper divisors (250123417).

1223024231 is a wasteful number, since it uses less digits than its factorization.

1223024231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1223024231 is about 34971.7633384421. The cubic root of 1223024231 is about 1069.4119198365.

Adding to 1223024231 its reverse (1324203221), we get a palindrome (2547227452).

The spelling of 1223024231 in words is "one billion, two hundred twenty-three million, twenty-four thousand, two hundred thirty-one".