623063173190040 has 288 divisors, whose sum is σ = 2242505103143760. Its totient is φ = 148791201292800.

The previous prime is 623063173189981. The next prime is 623063173190041. The reversal of 623063173190040 is 40091371360326.

623063173190040 is a `hidden beast` number, since 6 + 2 + 3 + 0 + 631 + 7 + 3 + 1 + 9 + 0 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623063173190041) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 251470 + ... + 35301410.

Almost surely, 2^{623063173190040} is an apocalyptic number.

623063173190040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623063173190040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121252551571880).

623063173190040 is an abundant number, since it is smaller than the sum of its proper divisors (1619441929953720).

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

623063173190040 is a wasteful number, since it uses less digits than its factorization.

623063173190040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35050103 (or 35050029 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 623063173190040 in words is "six hundred twenty-three trillion, sixty-three billion, one hundred seventy-three million, one hundred ninety thousand, forty".