345672112203 has 192 divisors, whose sum is σ = 620761190400. Its totient is φ = 182810234880.

The previous prime is 345672112199. The next prime is 345672112267. The reversal of 345672112203 is 302211276543.

345672112203 is a `hidden beast` number, since 3 + 456 + 72 + 112 + 20 + 3 = 666.

It is not a de Polignac number, because 345672112203 - 2² = 345672112199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345672112283) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 142661650 + ... + 142664072.

It is an arithmetic number, because the mean of its divisors is an integer number (3233131200).

Almost surely, 2^345672112203 is an apocalyptic number.

345672112203 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345672112203 is a deficient number, since it is larger than the sum of its proper divisors (275089078197).

345672112203 is a wasteful number, since it uses less digits than its factorization.

345672112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 345672112203 its reverse (302211276543), we get a palindrome (647883388746).

The spelling of 345672112203 in words is "three hundred forty-five billion, six hundred seventy-two million, one hundred twelve thousand, two hundred three".