53443256023123 has 16 divisors (see below), whose sum is σ = 56041691408640. Its totient is φ = 50925127318624.

The previous prime is 53443256023111. The next prime is 53443256023127. The reversal of 53443256023123 is 32132065234435.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53443256023123 - 2⁴¹ = 51244232767571 is a prime.

It is a super-2 number, since 2×53443256023123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53443256023123.

It is not an unprimeable number, because it can be changed into a prime (53443256023127) 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, 102697711 + ... + 103216792.

It is an arithmetic number, because the mean of its divisors is an integer number (3502605713040).

Almost surely, 2^{53443256023123} is an apocalyptic number.

53443256023123 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53443256023123 is a deficient number, since it is larger than the sum of its proper divisors (2598435385517).

53443256023123 is a wasteful number, since it uses less digits than its factorization.

53443256023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205914698.

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 53443256023123 in words is "fifty-three trillion, four hundred forty-three billion, two hundred fifty-six million, twenty-three thousand, one hundred twenty-three".