233103011300021 has 4 divisors (see below), whose sum is σ = 233107765351692. Its totient is φ = 233098257248352.

The previous prime is 233103011299987. The next prime is 233103011300141. The reversal of 233103011300021 is 120003110301332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79076022700900 + 154026988599121 = 8892470^2 + 12410761^2 .

It is a cyclic number.

It is not a de Polignac number, because 233103011300021 - 2¹⁸ = 233103011037877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233103011299966 and 233103011300002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233103011303021) 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, 2376952286 + ... + 2377050351.

It is an arithmetic number, because the mean of its divisors is an integer number (58276941337923).

Almost surely, 2^{233103011300021} is an apocalyptic number.

It is an amenable number.

233103011300021 is a deficient number, since it is larger than the sum of its proper divisors (4754051671).

233103011300021 is an equidigital number, since it uses as much as digits as its factorization.

233103011300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754051670.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 233103011300021 its reverse (120003110301332), we get a palindrome (353106121601353).

The spelling of 233103011300021 in words is "two hundred thirty-three trillion, one hundred three billion, eleven million, three hundred thousand, twenty-one".