3205401123 has 8 divisors (see below), whose sum is σ = 4274158336. Its totient is φ = 2136789000.

The previous prime is 3205401113. The next prime is 3205401149. The reversal of 3205401123 is 3211045023.

3205401123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3205401123 - 2²⁸ = 2936965667 is a prime.

It is a super-2 number, since 2×3205401123² = 20549192718659322258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3205401123.

It is not an unprimeable number, because it can be changed into a prime (3205401113) 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, 35658 + ... + 87648.

It is an arithmetic number, because the mean of its divisors is an integer number (534269792).

Almost surely, 2^3205401123 is an apocalyptic number.

3205401123 is a deficient number, since it is larger than the sum of its proper divisors (1068757213).

3205401123 is a wasteful number, since it uses less digits than its factorization.

3205401123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72545.

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

The square root of 3205401123 is about 56616.2620013014. The cubic root of 3205401123 is about 1474.4412129080.

Adding to 3205401123 its reverse (3211045023), we get a palindrome (6416446146).

The spelling of 3205401123 in words is "three billion, two hundred five million, four hundred one thousand, one hundred twenty-three".