325120021523 has 16 divisors (see below), whose sum is σ = 355812480000. Its totient is φ = 294617537280.

The previous prime is 325120021493. The next prime is 325120021531.

It is a happy number.

325120021523 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 325120021523 - 2¹⁴ = 325120005139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 325120021492 and 325120021501.

It is not an unprimeable number, because it can be changed into a prime (325120021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11631158 + ... + 11659076.

It is an arithmetic number, because the mean of its divisors is an integer number (22238280000).

Almost surely, 2^325120021523 is an apocalyptic number.

325120021523 is a deficient number, since it is larger than the sum of its proper divisors (30692458477).

325120021523 is a wasteful number, since it uses less digits than its factorization.

325120021523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31282.

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 3251200 and 21523, that added together give a palindrome (3272723).

The spelling of 325120021523 in words is "three hundred twenty-five billion, one hundred twenty million, twenty-one thousand, five hundred twenty-three".