1023142147 has 2 divisors, whose sum is σ = 1023142148. Its totient is φ = 1023142146.

The previous prime is 1023142117. The next prime is 1023142151. The reversal of 1023142147 is 7412413201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023142147 - 2²⁷ = 888924419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023142117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511571073 + 511571074.

It is an arithmetic number, because the mean of its divisors is an integer number (511571074).

Almost surely, 2^1023142147 is an apocalyptic number.

1023142147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023142147 is an equidigital number, since it uses as much as digits as its factorization.

1023142147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1023142147 is about 31986.5932384179. The cubic root of 1023142147 is about 1007.6552959021.

Adding to 1023142147 its reverse (7412413201), we get a palindrome (8435555348).

The spelling of 1023142147 in words is "one billion, twenty-three million, one hundred forty-two thousand, one hundred forty-seven".