233145234215340 has 48 divisors (see below), whose sum is σ = 652807690483200. Its totient is φ = 62171963916480.

The previous prime is 233145234215291. The next prime is 233145234215347. The reversal of 233145234215340 is 43512432541332.

It is a junction number, because it is equal to n+sod(n) for n = 233145234215292 and 233145234215301.

It is not an unprimeable number, because it can be changed into a prime (233145234215347) 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, 40094061 + ... + 45539259.

It is an arithmetic number, because the mean of its divisors is an integer number (13600160218400).

Almost surely, 2^{233145234215340} is an apocalyptic number.

233145234215340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233145234215340 is an abundant number, since it is smaller than the sum of its proper divisors (419662456267860).

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

233145234215340 is a wasteful number, since it uses less digits than its factorization.

233145234215340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158822 (or 6158820 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 233145234215340 its reverse (43512432541332), we get a palindrome (276657666756672).

The spelling of 233145234215340 in words is "two hundred thirty-three trillion, one hundred forty-five billion, two hundred thirty-four million, two hundred fifteen thousand, three hundred forty".