345323028 has 24 divisors (see below), whose sum is σ = 812887488. Its totient is φ = 114088576.

The previous prime is 345323003. The next prime is 345323029. The reversal of 345323028 is 820323543.

It is a junction number, because it is equal to n+sod(n) for n = 345322986 and 345323004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345323029) 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, 125976 + ... + 128687.

It is an arithmetic number, because the mean of its divisors is an integer number (33870312).

Almost surely, 2^345323028 is an apocalyptic number.

It is an amenable number.

345323028 is an abundant number, since it is smaller than the sum of its proper divisors (467564460).

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

345323028 is a wasteful number, since it uses less digits than its factorization.

345323028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254783 (or 254781 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 345323028 is about 18582.8692079560. The cubic root of 345323028 is about 701.5767369194.

The spelling of 345323028 in words is "three hundred forty-five million, three hundred twenty-three thousand, twenty-eight".