123552340 has 12 divisors (see below), whose sum is σ = 259459956. Its totient is φ = 49420928.

The previous prime is 123552337. The next prime is 123552349. The reversal of 123552340 is 43255321.

It can be written as a sum of positive squares in 2 ways, for example, as 12418576 + 111133764 = 3524^2 + 10542^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123552349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088789 + ... + 3088828.

It is an arithmetic number, because the mean of its divisors is an integer number (21621663).

Almost surely, 2^123552340 is an apocalyptic number.

123552340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123552340 is an abundant number, since it is smaller than the sum of its proper divisors (135907616).

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

123552340 is a wasteful number, since it uses less digits than its factorization.

123552340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177626 (or 6177624 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 123552340 is about 11115.4100239262. The cubic root of 123552340 is about 498.0622869034.

The spelling of 123552340 in words is "one hundred twenty-three million, five hundred fifty-two thousand, three hundred forty".