623265340 has 12 divisors (see below), whose sum is σ = 1308857256. Its totient is φ = 249306128.

The previous prime is 623265337. The next prime is 623265371. The reversal of 623265340 is 43562326.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15581614 + ... + 15581653.

It is an arithmetic number, because the mean of its divisors is an integer number (109071438).

Almost surely, 2^623265340 is an apocalyptic number.

It is an amenable number.

623265340 is an abundant number, since it is smaller than the sum of its proper divisors (685591916).

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

623265340 is a wasteful number, since it uses less digits than its factorization.

623265340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31163276 (or 31163274 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 623265340 is about 24965.2826941735. The cubic root of 623265340 is about 854.1962465849.

The spelling of 623265340 in words is "six hundred twenty-three million, two hundred sixty-five thousand, three hundred forty".