2123450 has 24 divisors (see below), whose sum is σ = 4514592. Its totient is φ = 727920.

The previous prime is 2123423. The next prime is 2123461. The reversal of 2123450 is 543212.

It is an alternating number because its digits alternate between even and odd.

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, 2684 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (188108).

2^2123450 is an apocalyptic number.

2123450 is an abundant number, since it is smaller than the sum of its proper divisors (2391142).

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

2123450 is a wasteful number, since it uses less digits than its factorization.

2123450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086 (or 6081 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2123450 is about 1457.2062311149. The cubic root of 2123450 is about 128.5328132123.

Adding to 2123450 its reverse (543212), we get a palindrome (2666662).

The spelling of 2123450 in words is "two million, one hundred twenty-three thousand, four hundred fifty".