2123012325 has 96 divisors (see below), whose sum is σ = 4143734784. Its totient is φ = 939018240.

The previous prime is 2123012323. The next prime is 2123012327. The reversal of 2123012325 is 5232103212.

It is an interprime number because it is at equal distance from previous prime (2123012323) and next prime (2123012327).

It is not a de Polignac number, because 2123012325 - 2¹ = 2123012323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123012321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2393032 + ... + 2393918.

It is an arithmetic number, because the mean of its divisors is an integer number (43163904).

Almost surely, 2^2123012325 is an apocalyptic number.

2123012325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2123012325 is a deficient number, since it is larger than the sum of its proper divisors (2020722459).

2123012325 is a wasteful number, since it uses less digits than its factorization.

2123012325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2123012325 is about 46076.1578801879. The cubic root of 2123012325 is about 1285.2398175649.

Adding to 2123012325 its reverse (5232103212), we get a palindrome (7355115537).

The spelling of 2123012325 in words is "two billion, one hundred twenty-three million, twelve thousand, three hundred twenty-five".