345623003020 has 24 divisors (see below), whose sum is σ = 736030961568. Its totient is φ = 136302028800.

The previous prime is 345623002997. The next prime is 345623003027. The reversal of 345623003020 is 20300326543.

It is a self number, because there is not a number n which added to its sum of digits gives 345623003020.

It is not an unprimeable number, because it can be changed into a prime (345623003027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121696821 + ... + 121699660.

It is an arithmetic number, because the mean of its divisors is an integer number (30667956732).

Almost surely, 2^345623003020 is an apocalyptic number.

It is an amenable number.

345623003020 is an abundant number, since it is smaller than the sum of its proper divisors (390407958548).

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

345623003020 is a wasteful number, since it uses less digits than its factorization.

345623003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243396561 (or 243396559 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 345623003020 its reverse (20300326543), we get a palindrome (365923329563).

The spelling of 345623003020 in words is "three hundred forty-five billion, six hundred twenty-three million, three thousand, twenty".