1023423287 has 2 divisors, whose sum is σ = 1023423288. Its totient is φ = 1023423286.

The previous prime is 1023423197. The next prime is 1023423343. The reversal of 1023423287 is 7823243201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023423287 - 2¹⁰ = 1023422263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023423787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511711643 + 511711644.

It is an arithmetic number, because the mean of its divisors is an integer number (511711644).

Almost surely, 2^1023423287 is an apocalyptic number.

1023423287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023423287 is an equidigital number, since it uses as much as digits as its factorization.

1023423287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1023423287 is about 31990.9875902574. The cubic root of 1023423287 is about 1007.7475822858.

Adding to 1023423287 its reverse (7823243201), we get a palindrome (8846666488).

The spelling of 1023423287 in words is "one billion, twenty-three million, four hundred twenty-three thousand, two hundred eighty-seven".