623501787046 has 4 divisors (see below), whose sum is σ = 935252680572. Its totient is φ = 311750893522.

The previous prime is 623501786989. The next prime is 623501787047. The reversal of 623501787046 is 640787105326.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×623501787046² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623501787047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155875446760 + ... + 155875446763.

It is an arithmetic number, because the mean of its divisors is an integer number (233813170143).

Almost surely, 2^623501787046 is an apocalyptic number.

623501787046 is a deficient number, since it is larger than the sum of its proper divisors (311750893526).

623501787046 is a wasteful number, since it uses less digits than its factorization.

623501787046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311750893525.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 623501787046 in words is "six hundred twenty-three billion, five hundred one million, seven hundred eighty-seven thousand, forty-six".