123540325340 has 12 divisors (see below), whose sum is σ = 259434683256. Its totient is φ = 49416130128.

The previous prime is 123540325319. The next prime is 123540325361. The reversal of 123540325340 is 43523045321.

It is an interprime number because it is at equal distance from previous prime (123540325319) and next prime (123540325361).

It is a super-2 number, since 2×123540325340² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123540325297 and 123540325306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088508114 + ... + 3088508153.

It is an arithmetic number, because the mean of its divisors is an integer number (21619556938).

Almost surely, 2^123540325340 is an apocalyptic number.

123540325340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123540325340 is an abundant number, since it is smaller than the sum of its proper divisors (135894357916).

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

123540325340 is a wasteful number, since it uses less digits than its factorization.

123540325340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177016276 (or 6177016274 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 123540325340 in words is "one hundred twenty-three billion, five hundred forty million, three hundred twenty-five thousand, three hundred forty".