1023266552 has 64 divisors (see below), whose sum is σ = 2415882240. Its totient is φ = 394704000.

The previous prime is 1023266513. The next prime is 1023266591. The reversal of 1023266552 is 2556623201.

It is an interprime number because it is at equal distance from previous prime (1023266513) and next prime (1023266591).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53993 + ... + 70439.

It is an arithmetic number, because the mean of its divisors is an integer number (37748160).

Almost surely, 2^1023266552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023266552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207941120).

1023266552 is an abundant number, since it is smaller than the sum of its proper divisors (1392615688).

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

1023266552 is a wasteful number, since it uses less digits than its factorization.

1023266552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16572 (or 16568 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1023266552 is about 31988.5378221637. The cubic root of 1023266552 is about 1007.6961348924.

Adding to 1023266552 its reverse (2556623201), we get a palindrome (3579889753).

The spelling of 1023266552 in words is "one billion, twenty-three million, two hundred sixty-six thousand, five hundred fifty-two".