3223423501521 has 8 divisors (see below), whose sum is σ = 4297906641504. Its totient is φ = 2148944681280.

The previous prime is 3223423501517. The next prime is 3223423501549. The reversal of 3223423501521 is 1251053243223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3223423501521 - 2² = 3223423501517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3223423501561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639486 + ... + 3022376.

It is an arithmetic number, because the mean of its divisors is an integer number (537238330188).

Almost surely, 2^{3223423501521} is an apocalyptic number.

It is an amenable number.

3223423501521 is a deficient number, since it is larger than the sum of its proper divisors (1074483139983).

3223423501521 is a wasteful number, since it uses less digits than its factorization.

3223423501521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159871.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 3223423501521 its reverse (1251053243223), we get a palindrome (4474476744744).

The spelling of 3223423501521 in words is "three trillion, two hundred twenty-three billion, four hundred twenty-three million, five hundred one thousand, five hundred twenty-one".