1023211000 has 64 divisors (see below), whose sum is σ = 2736377280. Its totient is φ = 350812800.

The previous prime is 1023210983. The next prime is 1023211019. The reversal of 1023211000 is 1123201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66087 + ... + 80086.

It is an arithmetic number, because the mean of its divisors is an integer number (42755895).

Almost surely, 2^1023211000 is an apocalyptic number.

1023211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023211000 is an abundant number, since it is smaller than the sum of its proper divisors (1713166280).

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

1023211000 is a wasteful number, since it uses less digits than its factorization.

1023211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146201 (or 146187 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1023211000 is about 31987.6694993555. The cubic root of 1023211000 is about 1007.6778989960.

Adding to 1023211000 its reverse (1123201), we get a palindrome (1024334201).

The spelling of 1023211000 in words is "one billion, twenty-three million, two hundred eleven thousand".