623435610200040 has 192 divisors, whose sum is σ = 2221815276757440. Its totient is φ = 150352817725440.

The previous prime is 623435610199991. The next prime is 623435610200041. The reversal of 623435610200040 is 40002016534326.

623435610200040 is a `hidden beast` number, since 6 + 2 + 3 + 4 + 35 + 610 + 2 + 0 + 0 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 623435610199968 and 623435610200004.

It is not an unprimeable number, because it can be changed into a prime (623435610200041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 407093842 + ... + 408622401.

It is an arithmetic number, because the mean of its divisors is an integer number (11571954566445).

Almost surely, 2^{623435610200040} is an apocalyptic number.

623435610200040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

623435610200040 is an abundant number, since it is smaller than the sum of its proper divisors (1598379666557400).

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

623435610200040 is a wasteful number, since it uses less digits than its factorization.

623435610200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815716464 (or 815716457 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 623435610200040 its reverse (40002016534326), we get a palindrome (663437626734366).

The spelling of 623435610200040 in words is "six hundred twenty-three trillion, four hundred thirty-five billion, six hundred ten million, two hundred thousand, forty".