3213123000 has 128 divisors (see below), whose sum is σ = 10461035520. Its totient is φ = 819561600.

The previous prime is 3213122971. The next prime is 3213123019. The reversal of 3213123000 is 3213123.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45717 + ... + 92283.

It is an arithmetic number, because the mean of its divisors is an integer number (81726840).

Almost surely, 2^3213123000 is an apocalyptic number.

3213123000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230517760).

3213123000 is an abundant number, since it is smaller than the sum of its proper divisors (7247912520).

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

3213123000 is a wasteful number, since it uses less digits than its factorization.

3213123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46614 (or 46600 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3213123000 is about 56684.4158477443. The cubic root of 3213123000 is about 1475.6242497961.

Adding to 3213123000 its reverse (3213123), we get a palindrome (3216336123).

3213123000 divided by its reverse (3213123) gives a cube (1000 = 10³).

The spelling of 3213123000 in words is "three billion, two hundred thirteen million, one hundred twenty-three thousand".