623462213240 has 32 divisors (see below), whose sum is σ = 1402868998080. Its totient is φ = 249370837632.

The previous prime is 623462213233. The next prime is 623462213249. The reversal of 623462213240 is 42312264326.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 623462213240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623462213249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295154 + ... + 1155006.

It is an arithmetic number, because the mean of its divisors is an integer number (43839656190).

Almost surely, 2^623462213240 is an apocalyptic number.

It is an amenable number.

623462213240 is an abundant number, since it is smaller than the sum of its proper divisors (779406784840).

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

623462213240 is a wasteful number, since it uses less digits than its factorization.

623462213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877991 (or 877987 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 623462213240 its reverse (42312264326), we get a palindrome (665774477566).

The spelling of 623462213240 in words is "six hundred twenty-three billion, four hundred sixty-two million, two hundred thirteen thousand, two hundred forty".