1021232423 has 2 divisors, whose sum is σ = 1021232424. Its totient is φ = 1021232422.

The previous prime is 1021232417. The next prime is 1021232431. The reversal of 1021232423 is 3242321201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021232423 - 2¹⁴ = 1021216039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021232395 and 1021232404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021232323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510616211 + 510616212.

It is an arithmetic number, because the mean of its divisors is an integer number (510616212).

Almost surely, 2^1021232423 is an apocalyptic number.

1021232423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021232423 is an equidigital number, since it uses as much as digits as its factorization.

1021232423 is an evil number, because the sum of its binary digits is even.

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

The square root of 1021232423 is about 31956.7273512167. The cubic root of 1021232423 is about 1007.0279663137.

Adding to 1021232423 its reverse (3242321201), we get a palindrome (4263553624).

The spelling of 1021232423 in words is "one billion, twenty-one million, two hundred thirty-two thousand, four hundred twenty-three".