1423332345645 has 48 divisors (see below), whose sum is σ = 2858177667072. Its totient is φ = 641752968960.

The previous prime is 1423332345607. The next prime is 1423332345653. The reversal of 1423332345645 is 5465432333241.

1423332345645 is a `hidden beast` number, since 1 + 4 + 23 + 3 + 32 + 34 + 564 + 5 = 666.

It is not a de Polignac number, because 1423332345645 - 2⁸ = 1423332345389 is a prime.

It is a super-3 number, since 3×1423332345645³ (a number of 37 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1423332345645.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 30925741 + ... + 30971730.

It is an arithmetic number, because the mean of its divisors is an integer number (59545368064).

Almost surely, 2^{1423332345645} is an apocalyptic number.

1423332345645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423332345645 is an abundant number, since it is smaller than the sum of its proper divisors (1434845321427).

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

1423332345645 is a wasteful number, since it uses less digits than its factorization.

1423332345645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61897562 (or 61897559 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 45.

Adding to 1423332345645 its reverse (5465432333241), we get a palindrome (6888764678886).

The spelling of 1423332345645 in words is "one trillion, four hundred twenty-three billion, three hundred thirty-two million, three hundred forty-five thousand, six hundred forty-five".