1011423200 has 72 divisors (see below), whose sum is σ = 2599130520. Its totient is φ = 383270400.

The previous prime is 1011423197. The next prime is 1011423247. The reversal of 1011423200 is 23241101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18071 + ... + 48470.

It is an arithmetic number, because the mean of its divisors is an integer number (36099035).

Almost surely, 2^1011423200 is an apocalyptic number.

1011423200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011423200 is an abundant number, since it is smaller than the sum of its proper divisors (1587707320).

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

1011423200 is a wasteful number, since it uses less digits than its factorization.

1011423200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66580 (or 66567 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1011423200 is about 31802.8803726958. The cubic root of 1011423200 is about 1003.7933258181.

Adding to 1011423200 its reverse (23241101), we get a palindrome (1034664301).

The spelling of 1011423200 in words is "one billion, eleven million, four hundred twenty-three thousand, two hundred".