1023142263 has 64 divisors (see below), whose sum is σ = 1729631232. Its totient is φ = 528353280.

The previous prime is 1023142247. The next prime is 1023142283. The reversal of 1023142263 is 3622413201.

It is not a de Polignac number, because 1023142263 - 2⁴ = 1023142247 is a prime.

It is a super-2 number, since 2×1023142263² = 2093640180673522338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023142223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 385206 + ... + 387852.

It is an arithmetic number, because the mean of its divisors is an integer number (27025488).

Almost surely, 2^1023142263 is an apocalyptic number.

1023142263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1023142263 is a deficient number, since it is larger than the sum of its proper divisors (706488969).

1023142263 is a wasteful number, since it uses less digits than its factorization.

1023142263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1023142263 is about 31986.5950516775. The cubic root of 1023142263 is about 1007.6553339835.

Adding to 1023142263 its reverse (3622413201), we get a palindrome (4645555464).

The spelling of 1023142263 in words is "one billion, twenty-three million, one hundred forty-two thousand, two hundred sixty-three".