1023564112 has 10 divisors (see below), whose sum is σ = 1983155498. Its totient is φ = 511782048.

The previous prime is 1023564103. The next prime is 1023564119. The reversal of 1023564112 is 2114653201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 884229696 + 139334416 = 29736^2 + 11804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023564119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31986363 + ... + 31986394.

Almost surely, 2^1023564112 is an apocalyptic number.

It is an amenable number.

1023564112 is a deficient number, since it is larger than the sum of its proper divisors (959591386).

1023564112 is an equidigital number, since it uses as much as digits as its factorization.

1023564112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63972765 (or 63972759 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1023564112 is about 31993.1885250595. The cubic root of 1023564112 is about 1007.7938028302.

It can be divided in two parts, 10235 and 64112, that added together give a palindrome (74347).

The spelling of 1023564112 in words is "one billion, twenty-three million, five hundred sixty-four thousand, one hundred twelve".