23312030420144 has 40 divisors (see below), whose sum is σ = 47022152435760. Its totient is φ = 11182401554688.

The previous prime is 23312030420123. The next prime is 23312030420267. The reversal of 23312030420144 is 44102403021332.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159931754 + ... + 160077449.

It is an arithmetic number, because the mean of its divisors is an integer number (1175553810894).

Almost surely, 2^{23312030420144} is an apocalyptic number.

It is an amenable number.

23312030420144 is an abundant number, since it is smaller than the sum of its proper divisors (23710122015616).

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

23312030420144 is a wasteful number, since it uses less digits than its factorization.

23312030420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320009397 (or 320009391 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23312030420144 its reverse (44102403021332), we get a palindrome (67414433441476).

The spelling of 23312030420144 in words is "twenty-three trillion, three hundred twelve billion, thirty million, four hundred twenty thousand, one hundred forty-four".