623463345 has 16 divisors (see below), whose sum is σ = 1108379520. Its totient is φ = 332513712.

The previous prime is 623463331. The next prime is 623463353. The reversal of 623463345 is 543364326.

It is not a de Polignac number, because 623463345 - 2¹³ = 623455153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2308989 + ... + 2309258.

It is an arithmetic number, because the mean of its divisors is an integer number (69273720).

Almost surely, 2^623463345 is an apocalyptic number.

It is an amenable number.

623463345 is a deficient number, since it is larger than the sum of its proper divisors (484916175).

623463345 is a wasteful number, since it uses less digits than its factorization.

623463345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618261 (or 4618255 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

The square root of 623463345 is about 24969.2479862730. The cubic root of 623463345 is about 854.2866934669.

The spelling of 623463345 in words is "six hundred twenty-three million, four hundred sixty-three thousand, three hundred forty-five".