123405001542350 has 48 divisors (see below), whose sum is σ = 250414336630800. Its totient is φ = 44871970771200.

The previous prime is 123405001542337. The next prime is 123405001542353. The reversal of 123405001542350 is 53245100504321.

It is a self number, because there is not a number n which added to its sum of digits gives 123405001542350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123405001542353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3167564 + ... + 16026336.

It is an arithmetic number, because the mean of its divisors is an integer number (5216965346475).

Almost surely, 2^{123405001542350} is an apocalyptic number.

123405001542350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123405001542350 is an abundant number, since it is smaller than the sum of its proper divisors (127009335088450).

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

123405001542350 is a wasteful number, since it uses less digits than its factorization.

123405001542350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12876245 (or 12876240 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 123405001542350 in words is "one hundred twenty-three trillion, four hundred five billion, one million, five hundred forty-two thousand, three hundred fifty".