1023142056 has 32 divisors (see below), whose sum is σ = 2626988640. Its totient is φ = 331829568.

The previous prime is 1023142049. The next prime is 1023142061. The reversal of 1023142056 is 6502413201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575206 + ... + 576981.

It is an arithmetic number, because the mean of its divisors is an integer number (82093395).

Almost surely, 2^1023142056 is an apocalyptic number.

It is an amenable number.

1023142056 is an abundant number, since it is smaller than the sum of its proper divisors (1603846584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023142056 is a wasteful number, since it uses less digits than its factorization.

1023142056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152233 (or 1152229 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1023142056 is about 31986.5918159469. The cubic root of 1023142056 is about 1007.6552660279.

Adding to 1023142056 its reverse (6502413201), we get a palindrome (7525555257).

The spelling of 1023142056 in words is "one billion, twenty-three million, one hundred forty-two thousand, fifty-six".