1020123344 has 20 divisors (see below), whose sum is σ = 2018543424. Its totient is φ = 499208928.

The previous prime is 1020123329. The next prime is 1020123361. The reversal of 1020123344 is 4433210201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677522 + ... + 679025.

Almost surely, 2^1020123344 is an apocalyptic number.

It is an amenable number.

1020123344 is a deficient number, since it is larger than the sum of its proper divisors (998420080).

1020123344 is a wasteful number, since it uses less digits than its factorization.

1020123344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356602 (or 1356596 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1020123344 is about 31939.3698121926. The cubic root of 1020123344 is about 1006.6632833729.

Adding to 1020123344 its reverse (4433210201), we get a palindrome (5453333545).

The spelling of 1020123344 in words is "one billion, twenty million, one hundred twenty-three thousand, three hundred forty-four".