2123204234315 has 16 divisors (see below), whose sum is σ = 2548977076800. Its totient is φ = 1697808921600.

The previous prime is 2123204234287. The next prime is 2123204234321. The reversal of 2123204234315 is 5134324023212.

It is not a de Polignac number, because 2123204234315 - 2¹⁶ = 2123204168779 is a prime.

It is a super-2 number, since 2×2123204234315² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179911415 + ... + 179923215.

It is an arithmetic number, because the mean of its divisors is an integer number (159311067300).

Almost surely, 2^{2123204234315} is an apocalyptic number.

2123204234315 is a deficient number, since it is larger than the sum of its proper divisors (425772842485).

2123204234315 is a wasteful number, since it uses less digits than its factorization.

2123204234315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24742.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 2123204234315 its reverse (5134324023212), we get a palindrome (7257528257527).

The spelling of 2123204234315 in words is "two trillion, one hundred twenty-three billion, two hundred four million, two hundred thirty-four thousand, three hundred fifteen".