345023416 has 8 divisors (see below), whose sum is σ = 646918920. Its totient is φ = 172511704.

The previous prime is 345023383. The next prime is 345023417. The reversal of 345023416 is 614320543.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345023417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21563956 + ... + 21563971.

It is an arithmetic number, because the mean of its divisors is an integer number (80864865).

Almost surely, 2^345023416 is an apocalyptic number.

It is an amenable number.

345023416 is a deficient number, since it is larger than the sum of its proper divisors (301895504).

345023416 is a wasteful number, since it uses less digits than its factorization.

345023416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43127933 (or 43127929 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 345023416 is about 18574.8059478424. The cubic root of 345023416 is about 701.3737756207.

Adding to 345023416 its reverse (614320543), we get a palindrome (959343959).

The spelling of 345023416 in words is "three hundred forty-five million, twenty-three thousand, four hundred sixteen".