2123414421 has 16 divisors (see below), whose sum is σ = 2871648000. Its totient is φ = 1395491328.

The previous prime is 2123414417. The next prime is 2123414431. The reversal of 2123414421 is 1244143212.

It is not a de Polignac number, because 2123414421 - 2² = 2123414417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123414391 and 2123414400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123414401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78180 + ... + 101778.

It is an arithmetic number, because the mean of its divisors is an integer number (179478000).

Almost surely, 2^2123414421 is an apocalyptic number.

It is an amenable number.

2123414421 is a deficient number, since it is larger than the sum of its proper divisors (748233579).

2123414421 is a wasteful number, since it uses less digits than its factorization.

2123414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24028.

The product of its digits is 1536, while the sum is 24.

The square root of 2123414421 is about 46080.5210582519. The cubic root of 2123414421 is about 1285.3209534051.

Adding to 2123414421 its reverse (1244143212), we get a palindrome (3367557633).

The spelling of 2123414421 in words is "two billion, one hundred twenty-three million, four hundred fourteen thousand, four hundred twenty-one".