23220031466154 has 16 divisors (see below), whose sum is σ = 46442855511360. Its totient is φ = 7739545058880.

The previous prime is 23220031466129. The next prime is 23220031466171. The reversal of 23220031466154 is 45166413002232.

It is a super-2 number, since 2×23220031466154² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 116249359 + ... + 116448930.

It is an arithmetic number, because the mean of its divisors is an integer number (2902678469460).

Almost surely, 2^{23220031466154} is an apocalyptic number.

23220031466154 is an abundant number, since it is smaller than the sum of its proper divisors (23222824045206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23220031466154 is a wasteful number, since it uses less digits than its factorization.

23220031466154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232714925.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 23220031466154 its reverse (45166413002232), we get a palindrome (68386444468386).

The spelling of 23220031466154 in words is "twenty-three trillion, two hundred twenty billion, thirty-one million, four hundred sixty-six thousand, one hundred fifty-four".