3123453280 has 48 divisors (see below), whose sum is σ = 7452257904. Its totient is φ = 1237004800.

The previous prime is 3123453269. The next prime is 3123453283. The reversal of 3123453280 is 823543213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123453283) 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, 80482 + ... + 112801.

It is an arithmetic number, because the mean of its divisors is an integer number (155255373).

Almost surely, 2^3123453280 is an apocalyptic number.

It is an amenable number.

3123453280 is an abundant number, since it is smaller than the sum of its proper divisors (4328804624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123453280 is a wasteful number, since it uses less digits than its factorization.

3123453280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193399 (or 193391 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 3123453280 is about 55887.8634410012. The cubic root of 3123453280 is about 1461.7676220087.

Adding to 3123453280 its reverse (823543213), we get a palindrome (3946996493).

The spelling of 3123453280 in words is "three billion, one hundred twenty-three million, four hundred fifty-three thousand, two hundred eighty".