1023477720145 has 8 divisors (see below), whose sum is σ = 1234603491840. Its totient is φ = 814495357680.

The previous prime is 1023477720131. The next prime is 1023477720149. The reversal of 1023477720145 is 5410277743201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023477720145 - 2¹⁷ = 1023477589073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023477720149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535851255 + ... + 535853164.

It is an arithmetic number, because the mean of its divisors is an integer number (154325436480).

Almost surely, 2^{1023477720145} is an apocalyptic number.

It is an amenable number.

1023477720145 is a deficient number, since it is larger than the sum of its proper divisors (211125771695).

1023477720145 is a wasteful number, since it uses less digits than its factorization.

1023477720145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071704615.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 1023477720145 in words is "one trillion, twenty-three billion, four hundred seventy-seven million, seven hundred twenty thousand, one hundred forty-five".