11723567485454 has 32 divisors (see below), whose sum is σ = 19550327723136. Its totient is φ = 5227186741920.

The previous prime is 11723567485403. The next prime is 11723567485463. The reversal of 11723567485454 is 45458476532711.

It is a super-2 number, since 2×11723567485454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4139729 + ... + 6370595.

It is an arithmetic number, because the mean of its divisors is an integer number (610947741348).

Almost surely, 2^{11723567485454} is an apocalyptic number.

11723567485454 is a deficient number, since it is larger than the sum of its proper divisors (7826760237682).

11723567485454 is a wasteful number, since it uses less digits than its factorization.

11723567485454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235440.

The product of its digits is 112896000, while the sum is 62.

The spelling of 11723567485454 in words is "eleven trillion, seven hundred twenty-three billion, five hundred sixty-seven million, four hundred eighty-five thousand, four hundred fifty-four".