1053405154523 has 4 divisors (see below), whose sum is σ = 1053520201920. Its totient is φ = 1053290107128.

The previous prime is 1053405154519. The next prime is 1053405154541. The reversal of 1053405154523 is 3254515043501.

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

It is a cyclic number.

It is not a de Polignac number, because 1053405154523 - 2² = 1053405154519 is a prime.

It is a super-2 number, since 2×1053405154523² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053405184523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57509963 + ... + 57528276.

It is an arithmetic number, because the mean of its divisors is an integer number (263380050480).

Almost surely, 2^{1053405154523} is an apocalyptic number.

1053405154523 is a deficient number, since it is larger than the sum of its proper divisors (115047397).

1053405154523 is an equidigital number, since it uses as much as digits as its factorization.

1053405154523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115047396.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 1053405154523 in words is "one trillion, fifty-three billion, four hundred five million, one hundred fifty-four thousand, five hundred twenty-three".