2132123723 has 2 divisors, whose sum is σ = 2132123724. Its totient is φ = 2132123722.

The previous prime is 2132123701. The next prime is 2132123737. The reversal of 2132123723 is 3273212312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2132123723 - 2⁶ = 2132123659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132123692 and 2132123701.

It is not a weakly prime, because it can be changed into another prime (2132123743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066061861 + 1066061862.

It is an arithmetic number, because the mean of its divisors is an integer number (1066061862).

Almost surely, 2^2132123723 is an apocalyptic number.

2132123723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132123723 is an equidigital number, since it uses as much as digits as its factorization.

2132123723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 2132123723 is about 46174.9252625275. The cubic root of 2132123723 is about 1287.0758280712.

The spelling of 2132123723 in words is "two billion, one hundred thirty-two million, one hundred twenty-three thousand, seven hundred twenty-three".