1223232031 has 6 divisors (see below), whose sum is σ = 1422943440. Its totient is φ = 1048484556.

The previous prime is 1223232029. The next prime is 1223232047. The reversal of 1223232031 is 1302323221.

It is not a de Polignac number, because 1223232031 - 2¹ = 1223232029 is a prime.

It is a super-2 number, since 2×1223232031² = 2992593203328769922, 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 (1223232071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12481911 + ... + 12482008.

It is an arithmetic number, because the mean of its divisors is an integer number (237157240).

Almost surely, 2^1223232031 is an apocalyptic number.

1223232031 is a deficient number, since it is larger than the sum of its proper divisors (199711409).

1223232031 is an equidigital number, since it uses as much as digits as its factorization.

1223232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24963933 (or 24963926 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1223232031 is about 34974.7341805481. The cubic root of 1223232031 is about 1069.4724831535.

Adding to 1223232031 its reverse (1302323221), we get a palindrome (2525555252).

It can be divided in two parts, 122 and 3232031, that added together give a triangular number (3232153 = T₂₅₄₂).

The spelling of 1223232031 in words is "one billion, two hundred twenty-three million, two hundred thirty-two thousand, thirty-one".