1023142055 has 12 divisors (see below), whose sum is σ = 1329480360. Its totient is φ = 755550432.

The previous prime is 1023142049. The next prime is 1023142061. The reversal of 1023142055 is 5502413201.

It is an interprime number because it is at equal distance from previous prime (1023142049) and next prime (1023142061).

It is not a de Polignac number, because 1023142055 - 2¹⁶ = 1023076519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023142055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604565 + ... + 606254.

It is an arithmetic number, because the mean of its divisors is an integer number (110790030).

Almost surely, 2^1023142055 is an apocalyptic number.

1023142055 is a deficient number, since it is larger than the sum of its proper divisors (306338305).

1023142055 is a wasteful number, since it uses less digits than its factorization.

1023142055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210850 (or 1210837 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1023142055 is about 31986.5918003153. The cubic root of 1023142055 is about 1007.6552656997.

Adding to 1023142055 its reverse (5502413201), we get a palindrome (6525555256).

The spelling of 1023142055 in words is "one billion, twenty-three million, one hundred forty-two thousand, fifty-five".