1023312132 has 18 divisors (see below), whose sum is σ = 2586705758. Its totient is φ = 341104032.

The previous prime is 1023312119. The next prime is 1023312167. The reversal of 1023312132 is 2312133201.

It can be written as a sum of positive squares in only one way, i.e., 1023104196 + 207936 = 31986^2 + 456^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14212633 + ... + 14212704.

Almost surely, 2^1023312132 is an apocalyptic number.

1023312132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023312132 is an abundant number, since it is smaller than the sum of its proper divisors (1563393626).

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

1023312132 is a wasteful number, since it uses less digits than its factorization.

1023312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28425347 (or 28425342 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1023312132 is about 31989.2502569222. The cubic root of 1023312132 is about 1007.7110968160.

Adding to 1023312132 its reverse (2312133201), we get a palindrome (3335445333).

The spelling of 1023312132 in words is "one billion, twenty-three million, three hundred twelve thousand, one hundred thirty-two".