23121311124554 has 8 divisors (see below), whose sum is σ = 34682059983648. Its totient is φ = 11560624463340.

The previous prime is 23121311124533. The next prime is 23121311124559. The reversal of 23121311124554 is 45542111312132.

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

It is a super-2 number, since 2×23121311124554² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23121311124559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14608742 + ... + 16113905.

It is an arithmetic number, because the mean of its divisors is an integer number (4335257497956).

Almost surely, 2^{23121311124554} is an apocalyptic number.

23121311124554 is a deficient number, since it is larger than the sum of its proper divisors (11560748859094).

23121311124554 is a wasteful number, since it uses less digits than its factorization.

23121311124554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31098940.

The product of its digits is 28800, while the sum is 35.

Adding to 23121311124554 its reverse (45542111312132), we get a palindrome (68663422436686).

The spelling of 23121311124554 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred eleven million, one hundred twenty-four thousand, five hundred fifty-four".