1023103312 has 40 divisors (see below), whose sum is σ = 2471395392. Its totient is φ = 398611200.

The previous prime is 1023103309. The next prime is 1023103331. The reversal of 1023103312 is 2133013201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 413989 + ... + 416452.

Almost surely, 2^1023103312 is an apocalyptic number.

It is an amenable number.

1023103312 is an abundant number, since it is smaller than the sum of its proper divisors (1448292080).

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

1023103312 is a wasteful number, since it uses less digits than its factorization.

1023103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830467 (or 830461 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1023103312 is about 31985.9861814514. The cubic root of 1023103312 is about 1007.6425466836.

Adding to 1023103312 its reverse (2133013201), we get a palindrome (3156116513).

The spelling of 1023103312 in words is "one billion, twenty-three million, one hundred three thousand, three hundred twelve".