345623283 has 6 divisors (see below), whose sum is σ = 499233644. Its totient is φ = 230415516.

The previous prime is 345623279. The next prime is 345623287. The reversal of 345623283 is 382326543.

It is a happy number.

345623283 is a `hidden beast` number, since 3 + 4 + 5 + 623 + 28 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (345623279) and next prime (345623287).

It is not a de Polignac number, because 345623283 - 2² = 345623279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345623287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19201285 + ... + 19201302.

Almost surely, 2^345623283 is an apocalyptic number.

345623283 is a deficient number, since it is larger than the sum of its proper divisors (153610361).

345623283 is a wasteful number, since it uses less digits than its factorization.

345623283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38402593 (or 38402590 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 345623283 is about 18590.9462642438. The cubic root of 345623283 is about 701.7800160545.

The spelling of 345623283 in words is "three hundred forty-five million, six hundred twenty-three thousand, two hundred eighty-three".