1223234141 has 4 divisors (see below), whose sum is σ = 1224623484. Its totient is φ = 1221844800.

The previous prime is 1223234137. The next prime is 1223234143. The reversal of 1223234141 is 1414323221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1414323221 = 359 ⋅3939619.

It can be written as a sum of positive squares in 2 ways, for example, as 183494116 + 1039740025 = 13546^2 + 32245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223234141 - 2² = 1223234137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223234143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693350 + ... + 695111.

It is an arithmetic number, because the mean of its divisors is an integer number (306155871).

Almost surely, 2^1223234141 is an apocalyptic number.

It is an amenable number.

1223234141 is a deficient number, since it is larger than the sum of its proper divisors (1389343).

1223234141 is an equidigital number, since it uses as much as digits as its factorization.

1223234141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389342.

The product of its digits is 1152, while the sum is 23.

The square root of 1223234141 is about 34974.7643451675. The cubic root of 1223234141 is about 1069.4730980778.

Adding to 1223234141 its reverse (1414323221), we get a palindrome (2637557362).

The spelling of 1223234141 in words is "one billion, two hundred twenty-three million, two hundred thirty-four thousand, one hundred forty-one".