2123628393 has 4 divisors (see below), whose sum is σ = 2831504528. Its totient is φ = 1415752260.

The previous prime is 2123628391. The next prime is 2123628427. The reversal of 2123628393 is 3938263212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2123628393 - 2¹ = 2123628391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123628391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353938063 + ... + 353938068.

It is an arithmetic number, because the mean of its divisors is an integer number (707876132).

Almost surely, 2^2123628393 is an apocalyptic number.

It is an amenable number.

2123628393 is a deficient number, since it is larger than the sum of its proper divisors (707876135).

2123628393 is an equidigital number, since it uses as much as digits as its factorization.

2123628393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707876134.

The product of its digits is 93312, while the sum is 39.

The square root of 2123628393 is about 46082.8427183046. The cubic root of 2123628393 is about 1285.3641249837.

The spelling of 2123628393 in words is "two billion, one hundred twenty-three million, six hundred twenty-eight thousand, three hundred ninety-three".