232503140343551 has 16 divisors (see below), whose sum is σ = 299869701834240. Its totient is φ = 174923992733280.

The previous prime is 232503140343451. The next prime is 232503140343571. The reversal of 232503140343551 is 155343041305232.

It is not a de Polignac number, because 232503140343551 - 2¹⁰ = 232503140342527 is a prime.

It is a super-2 number, since 2×232503140343551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232503140343499 and 232503140343508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232503140343571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52060709891 + ... + 52060714356.

It is an arithmetic number, because the mean of its divisors is an integer number (18741856364640).

Almost surely, 2^{232503140343551} is an apocalyptic number.

232503140343551 is a deficient number, since it is larger than the sum of its proper divisors (67366561490689).

232503140343551 is a wasteful number, since it uses less digits than its factorization.

232503140343551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104121424294.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 232503140343551 its reverse (155343041305232), we get a palindrome (387846181648783).

The spelling of 232503140343551 in words is "two hundred thirty-two trillion, five hundred three billion, one hundred forty million, three hundred forty-three thousand, five hundred fifty-one".