53123103240 has 32 divisors (see below), whose sum is σ = 159369310080. Its totient is φ = 14166160832.

The previous prime is 53123103217. The next prime is 53123103251. The reversal of 53123103240 is 4230132135.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53123103240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221346144 + ... + 221346383.

It is an arithmetic number, because the mean of its divisors is an integer number (4980290940).

Almost surely, 2^53123103240 is an apocalyptic number.

It is an amenable number.

53123103240 is an abundant number, since it is smaller than the sum of its proper divisors (106246206840).

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

53123103240 is a wasteful number, since it uses less digits than its factorization.

53123103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442692541 (or 442692537 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 53123103240 its reverse (4230132135), we get a palindrome (57353235375).

The spelling of 53123103240 in words is "fifty-three billion, one hundred twenty-three million, one hundred three thousand, two hundred forty".