232223021001552 has 160 divisors (see below), whose sum is σ = 715724350709760. Its totient is φ = 63437676825600.

The previous prime is 232223021001551. The next prime is 232223021001553. The reversal of 232223021001552 is 255100120322232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (232223021001551) and next prime (232223021001553).

It is a super-2 number, since 2×232223021001552² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232223021001551) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11777724 + ... + 24559332.

It is an arithmetic number, because the mean of its divisors is an integer number (4473277191936).

Almost surely, 2^{232223021001552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232223021001552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357862175354880).

232223021001552 is an abundant number, since it is smaller than the sum of its proper divisors (483501329708208).

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

232223021001552 is a wasteful number, since it uses less digits than its factorization.

232223021001552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12784001 (or 12783995 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 232223021001552 its reverse (255100120322232), we get a palindrome (487323141323784).

The spelling of 232223021001552 in words is "two hundred thirty-two trillion, two hundred twenty-three billion, twenty-one million, one thousand, five hundred fifty-two".