53154421123 has 16 divisors (see below), whose sum is σ = 54901350400. Its totient is φ = 51443574336.

The previous prime is 53154421087. The next prime is 53154421127. The reversal of 53154421123 is 32112445135.

It is a cyclic number.

It is not a de Polignac number, because 53154421123 - 2¹³ = 53154412931 is a prime.

It is a super-2 number, since 2×53154421123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53154421127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846103 + ... + 906751.

It is an arithmetic number, because the mean of its divisors is an integer number (3431334400).

Almost surely, 2^53154421123 is an apocalyptic number.

53154421123 is a deficient number, since it is larger than the sum of its proper divisors (1746929277).

53154421123 is a wasteful number, since it uses less digits than its factorization.

53154421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60946.

The product of its digits is 14400, while the sum is 31.

Adding to 53154421123 its reverse (32112445135), we get a palindrome (85266866258).

The spelling of 53154421123 in words is "fifty-three billion, one hundred fifty-four million, four hundred twenty-one thousand, one hundred twenty-three".