1623144450552 has 64 divisors (see below), whose sum is σ = 4070059812000. Its totient is φ = 539423539200.

The previous prime is 1623144450539. The next prime is 1623144450553. The reversal of 1623144450552 is 2550544413261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623144450553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13961688 + ... + 14077464.

Almost surely, 2^{1623144450552} is an apocalyptic number.

1623144450552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1623144450552 is an abundant number, since it is smaller than the sum of its proper divisors (2446915361448).

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

1623144450552 is a wasteful number, since it uses less digits than its factorization.

1623144450552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117536 (or 117532 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 1623144450552 in words is "one trillion, six hundred twenty-three billion, one hundred forty-four million, four hundred fifty thousand, five hundred fifty-two".