123532020302340 has 96 divisors (see below), whose sum is σ = 372594665318400. Its totient is φ = 30399872795136.

The previous prime is 123532020302309. The next prime is 123532020302347. The reversal of 123532020302340 is 43203020235321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 123532020302298 and 123532020302307.

It is not an unprimeable number, because it can be changed into a prime (123532020302347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17893540 + ... + 23816859.

It is an arithmetic number, because the mean of its divisors is an integer number (3881194430400).

Almost surely, 2^{123532020302340} is an apocalyptic number.

123532020302340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123532020302340 is an abundant number, since it is smaller than the sum of its proper divisors (249062645016060).

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

123532020302340 is a wasteful number, since it uses less digits than its factorization.

123532020302340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41714221 (or 41714219 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 123532020302340 its reverse (43203020235321), we get a palindrome (166735040537661).

The spelling of 123532020302340 in words is "one hundred twenty-three trillion, five hundred thirty-two billion, twenty million, three hundred two thousand, three hundred forty".