2312442421 has 2 divisors, whose sum is σ = 2312442422. Its totient is φ = 2312442420.

The previous prime is 2312442383. The next prime is 2312442437. The reversal of 2312442421 is 1242442132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2108095396 + 204347025 = 45914^2 + 14295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312442421 - 2¹⁷ = 2312311349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3312442421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156221210 + 1156221211.

It is an arithmetic number, because the mean of its divisors is an integer number (1156221211).

Almost surely, 2^2312442421 is an apocalyptic number.

It is an amenable number.

2312442421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312442421 is an equidigital number, since it uses as much as digits as its factorization.

2312442421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 2312442421 is about 48087.8614725172. The cubic root of 2312442421 is about 1322.3821426485.

Adding to 2312442421 its reverse (1242442132), we get a palindrome (3554884553).

The spelling of 2312442421 in words is "two billion, three hundred twelve million, four hundred forty-two thousand, four hundred twenty-one".