623466140 has 24 divisors (see below), whose sum is σ = 1428304752. Its totient is φ = 226714880.

The previous prime is 623466127. The next prime is 623466149. The reversal of 623466140 is 41664326.

It is a junction number, because it is equal to n+sod(n) for n = 623466097 and 623466106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623466149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416749 + ... + 1417188.

It is an arithmetic number, because the mean of its divisors is an integer number (59512698).

Almost surely, 2^623466140 is an apocalyptic number.

It is an amenable number.

623466140 is an abundant number, since it is smaller than the sum of its proper divisors (804838612).

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

623466140 is a wasteful number, since it uses less digits than its factorization.

623466140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833957 (or 2833955 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 623466140 is about 24969.3039550565. The cubic root of 623466140 is about 854.2879700604.

It can be divided in two parts, 62346 and 6140, that added together give a palindrome (68486).

The spelling of 623466140 in words is "six hundred twenty-three million, four hundred sixty-six thousand, one hundred forty".