123569855348 has 12 divisors (see below), whose sum is σ = 217051141860. Its totient is φ = 61555243392.

The previous prime is 123569855347. The next prime is 123569855369. The reversal of 123569855348 is 843558965321.

It can be written as a sum of positive squares in 2 ways, for example, as 61483169764 + 62086685584 = 247958^2 + 249172^2 .

It is a super-2 number, since 2×123569855348² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123569855347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57419861 + ... + 57422012.

It is an arithmetic number, because the mean of its divisors is an integer number (18087595155).

Almost surely, 2^123569855348 is an apocalyptic number.

It is an amenable number.

123569855348 is a deficient number, since it is larger than the sum of its proper divisors (93481286512).

123569855348 is a wasteful number, since it uses less digits than its factorization.

123569855348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114842146 (or 114842144 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 59.

The spelling of 123569855348 in words is "one hundred twenty-three billion, five hundred sixty-nine million, eight hundred fifty-five thousand, three hundred forty-eight".