623611340 has 48 divisors (see below), whose sum is σ = 1512683424. Its totient is φ = 213427200.

The previous prime is 623611319. The next prime is 623611381. The reversal of 623611340 is 43116326.

623611340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×623611340² = 777782206753191200, which contains 22 as substring.

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, 79631 + ... + 87110.

It is an arithmetic number, because the mean of its divisors is an integer number (31514238).

Almost surely, 2^623611340 is an apocalyptic number.

It is an amenable number.

623611340 is an abundant number, since it is smaller than the sum of its proper divisors (889072084).

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

623611340 is a wasteful number, since it uses less digits than its factorization.

623611340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166778 (or 166776 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 623611340 is about 24972.2113558251. The cubic root of 623611340 is about 854.3542837312.

Adding to 623611340 its reverse (43116326), we get a palindrome (666727666).

It can be divided in two parts, 6236 and 11340, that added together give a cube (17576 = 26³).

The spelling of 623611340 in words is "six hundred twenty-three million, six hundred eleven thousand, three hundred forty".