233145345021413 has 16 divisors (see below), whose sum is σ = 255824627809536. Its totient is φ = 210713572299840.

The previous prime is 233145345021409. The next prime is 233145345021469. The reversal of 233145345021413 is 314120543541332.

It is a cyclic number.

It is not a de Polignac number, because 233145345021413 - 2² = 233145345021409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233145345021713) 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 15 ways as a sum of consecutive naturals, for example, 31316831 + ... + 38039907.

It is an arithmetic number, because the mean of its divisors is an integer number (15989039238096).

Almost surely, 2^{233145345021413} is an apocalyptic number.

It is an amenable number.

233145345021413 is a deficient number, since it is larger than the sum of its proper divisors (22679282788123).

233145345021413 is a wasteful number, since it uses less digits than its factorization.

233145345021413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6741484.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 233145345021413 its reverse (314120543541332), we get a palindrome (547265888562745).

The spelling of 233145345021413 in words is "two hundred thirty-three trillion, one hundred forty-five billion, three hundred forty-five million, twenty-one thousand, four hundred thirteen".