123201040430 has 32 divisors (see below), whose sum is σ = 240402109248. Its totient is φ = 45188352000.

The previous prime is 123201040429. The next prime is 123201040481. The reversal of 123201040430 is 34040102321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3118451 + ... + 3157710.

It is an arithmetic number, because the mean of its divisors is an integer number (7512565914).

Almost surely, 2^123201040430 is an apocalyptic number.

123201040430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201040430 is a deficient number, since it is larger than the sum of its proper divisors (117201068818).

123201040430 is a wasteful number, since it uses less digits than its factorization.

123201040430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276332.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123201040430 its reverse (34040102321), we get a palindrome (157241142751).

The spelling of 123201040430 in words is "one hundred twenty-three billion, two hundred one million, forty thousand, four hundred thirty".