323974129 has 2 divisors, whose sum is σ = 323974130. Its totient is φ = 323974128.

The previous prime is 323974103. The next prime is 323974139. The reversal of 323974129 is 921479323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316021729 + 7952400 = 17777^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 323974129 - 2¹⁷ = 323843057 is a prime.

It is a super-2 number, since 2×323974129² = 209918472522617282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323974091 and 323974100.

It is not a weakly prime, because it can be changed into another prime (323974139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161987064 + 161987065.

It is an arithmetic number, because the mean of its divisors is an integer number (161987065).

Almost surely, 2^323974129 is an apocalyptic number.

It is an amenable number.

323974129 is a deficient number, since it is larger than the sum of its proper divisors (1).

323974129 is an equidigital number, since it uses as much as digits as its factorization.

323974129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 323974129 is about 17999.2813467649. The cubic root of 323974129 is about 686.8102642416.

The spelling of 323974129 in words is "three hundred twenty-three million, nine hundred seventy-four thousand, one hundred twenty-nine".