235223770556144 has 20 divisors (see below), whose sum is σ = 471461436675960. Its totient is φ = 113556303026880.

The previous prime is 235223770556141. The next prime is 235223770556147. The reversal of 235223770556144 is 441655077322532.

It is an interprime number because it is at equal distance from previous prime (235223770556141) and next prime (235223770556147).

It is a super-2 number, since 2×235223770556144² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 235223770556144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235223770556141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253473890222 + ... + 253473891149.

It is an arithmetic number, because the mean of its divisors is an integer number (23573071833798).

Almost surely, 2^{235223770556144} is an apocalyptic number.

It is an amenable number.

235223770556144 is an abundant number, since it is smaller than the sum of its proper divisors (236237666119816).

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

235223770556144 is a wasteful number, since it uses less digits than its factorization.

235223770556144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506947781408 (or 506947781402 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 56.

The spelling of 235223770556144 in words is "two hundred thirty-five trillion, two hundred twenty-three billion, seven hundred seventy million, five hundred fifty-six thousand, one hundred forty-four".