21232337233123 has 2 divisors, whose sum is σ = 21232337233124. Its totient is φ = 21232337233122.

The previous prime is 21232337233067. The next prime is 21232337233169. The reversal of 21232337233123 is 32133273323212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21232337233123 - 2²⁹ = 21231800362211 is a prime.

It is a super-2 number, since 2×21232337233123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21232337233183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616168616561 + 10616168616562.

It is an arithmetic number, because the mean of its divisors is an integer number (10616168616562).

Almost surely, 2^{21232337233123} is an apocalyptic number.

21232337233123 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232337233123 is an equidigital number, since it uses as much as digits as its factorization.

21232337233123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 37.

The spelling of 21232337233123 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty-seven million, two hundred thirty-three thousand, one hundred twenty-three".