2123220413 has 16 divisors (see below), whose sum is σ = 2308521600. Its totient is φ = 1946683200.

The previous prime is 2123220409. The next prime is 2123220461. The reversal of 2123220413 is 3140223212.

It is not a de Polignac number, because 2123220413 - 2² = 2123220409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123223413) 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, 81263 + ... + 104163.

It is an arithmetic number, because the mean of its divisors is an integer number (144282600).

Almost surely, 2^2123220413 is an apocalyptic number.

2123220413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2123220413 is a deficient number, since it is larger than the sum of its proper divisors (185301187).

2123220413 is a wasteful number, since it uses less digits than its factorization.

2123220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23092.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2123220413 is about 46078.4159124421. The cubic root of 2123220413 is about 1285.2818073110.

Adding to 2123220413 its reverse (3140223212), we get a palindrome (5263443625).

The spelling of 2123220413 in words is "two billion, one hundred twenty-three million, two hundred twenty thousand, four hundred thirteen".