233123100121997 has 2 divisors, whose sum is σ = 233123100121998. Its totient is φ = 233123100121996.

The previous prime is 233123100121993. The next prime is 233123100122023. The reversal of 233123100121997 is 799121001321332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192178637848201 + 40944462273796 = 13862851^2 + 6398786^2 .

It is a cyclic number.

It is not a de Polignac number, because 233123100121997 - 2² = 233123100121993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233123100121993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116561550060998 + 116561550060999.

It is an arithmetic number, because the mean of its divisors is an integer number (116561550060999).

Almost surely, 2^{233123100121997} is an apocalyptic number.

It is an amenable number.

233123100121997 is a deficient number, since it is larger than the sum of its proper divisors (1).

233123100121997 is an equidigital number, since it uses as much as digits as its factorization.

233123100121997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 233123100121997 in words is "two hundred thirty-three trillion, one hundred twenty-three billion, one hundred million, one hundred twenty-one thousand, nine hundred ninety-seven".