345124320 has 48 divisors (see below), whose sum is σ = 1087143120. Its totient is φ = 92033024.

The previous prime is 345124319. The next prime is 345124343. The reversal of 345124320 is 23421543.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×345124320² = 238221592510924800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359025 + ... + 359984.

It is an arithmetic number, because the mean of its divisors is an integer number (22648815).

Almost surely, 2^345124320 is an apocalyptic number.

345124320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345124320 is an abundant number, since it is smaller than the sum of its proper divisors (742018800).

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

345124320 is a wasteful number, since it uses less digits than its factorization.

345124320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719027 (or 719019 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 345124320 is about 18577.5219014808. The cubic root of 345124320 is about 701.4421424988.

Adding to 345124320 its reverse (23421543), we get a palindrome (368545863).

The spelling of 345124320 in words is "three hundred forty-five million, one hundred twenty-four thousand, three hundred twenty".